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O-Rings/S Series (Part Numbers)

O-Rings/S Series

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  • O-Rings/S Series
  • O-Rings/S Series
  • Volume Discount

O-Rings/S Series
The O Ring is a commonly employed sealing component found in automation machines across a wide range of industries.
[Feature]
● Inner Diameter Minimum/ Maximum (mm.) : 2.5 to 49.5
● Thickness (mm.) : 1.5 and 2
● Material and Operating Temperature Range (℃)
Nitrile Rubber -> -30 to 100 ℃
Silicone Rubber -> -50 to 200 ℃
Fluoro Rubber -> -15 to 200 ℃
[Application]
O-rings are utilized across multiple industries to prevent the leakage of fluids or gases between two components

(i)Caution

  • Please check the content on our website as the PDF does not contain the most up-to-date information.
■Detailed Fitting Size
TypeNo.G Dimension (Tolerance + 0.25 0)H Dimension
H±0.05
R Dimension
Max. Value
No Back-Up Ring
 
Back-Up Ring on One Side
Ring
Back-Up Rings on Both Sides
Ring
NSA·NSB·NSSW
NSSK·NSF·NSFH
3 to 222.51.00.2
22.4 to 502.71.50.4

For Surface Mounting

For Fixing Cylinder Surface

No Back-Up Ring

For External Pressure

For Internal Pressure

O-Ring - S Series: Related Image
 
Type[ M ] Material[ H ] Hardness (JIS Hs)ColorOperation Temperature RangeUsageFeatures
NSANitrile Rubber70±5Black-30~100°CMineral Oil ResistantMost representative material with superior oil / abrasion resistance and heat stability.
NSBNitrile Rubber90±5Black-25~100°C
NSSWSilicon Rubber50±5Milky White-50~200°CHeat ResistantHaving excellent high and low temperature resistances, this material has the widest range of operating temperatures among synthetic rubbers.
It is suitable for food-related applications.
NSSKSilicon Rubber70±5Scarlet Red-50~200°CHeat Resistant
NSFFluoro Rubber70±5Black-15~200°CBest in oil / chemical resistance and heat stability as synthetic rubber. Suitable for a wide range of applications.
NSFHFluoro Rubber90±5Black-15~200°CHeat Resistant

Specifications

Part Number
NSA25
■S Series
Part NumberNominal
Number
WI.D.Matching Material
TypeNo.doNSA, NSB ToleranceNSSW, NSSK ToleranceNSF, NSFH TolerancedToleranceDTolerance
NSA
(Nitrile Rubber, Black)


NSB
(Nitrile Rubber, Black)


NSSW
(Silicon Rubber, Milky White)


NSSK
(Silicon Rubber, Scarlet Red)


NSF
(Fluoro Rubber, Black)


NSFH
(Fluoro Rubber, Black)
331.5±0.12.5±0.15±0.45±0.3030
- 0.05
5+0.05
0
443.546
554.557
665.568
776.579
887.5810
998.5911
10109.51012
11.211.210.711.213.2
121211.51214
12.512.512.012.514.5
141413.51416
151514.51517
161615.51618
181817.51820
202019.52022
222221.52224
22.422.42.0±0.121.922.425.4
242423.52427
252524.52528
262625.52629
282827.52831
292928.52932
303029.53033
31.531.531.031.534.5
323231.53235
343433.53437
353534.53538
35.535.535.035.538.5
363635.53639
383837.53841
393938.53942
404039.54043
424241.5±0.25±0.75±0.504245
444443.54447
454544.54548
464645.54649
484847.54851
505049.55053

Part Number 

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Part Number
NSF15
NSF16
NSF18
NSF20
NSF22
NSF22.4
NSF24
NSF25
NSF26
NSF28
NSF29
NSF30
NSF31.5
NSF32
NSF34
NSF35
NSF35.5
NSF36
NSF38
NSF39
NSF40
NSF42
NSF44
NSF45
NSF46
NSF48
NSF50
NSFH3
NSFH4
NSFH5
NSFH6
NSFH7
NSFH8
NSFH9
NSFH10
NSFH11.2
NSFH12
NSFH12.5
NSFH14
NSFH15
NSFH16
NSFH18
NSFH20
NSFH22
NSFH22.4
NSFH24
NSFH25
NSFH26
NSFH28
NSFH29
NSFH30
NSFH31.5
NSFH32
NSFH34
NSFH35
NSFH35.5
NSFH36
NSFH38
NSFH39
NSFH40
NSFH42
NSFH44
NSFH45
NSFH46
NSFH48
NSFH50
NSSK3
NSSK4
NSSK5
NSSK6
NSSK7
NSSK8
NSSK9
NSSK10
NSSK11.2
NSSK12
NSSK12.5
NSSK14
NSSK15
NSSK16
NSSK18
NSSK20
NSSK22
NSSK22.4
NSSK24
NSSK25
NSSK26
NSSK28
NSSK29
NSSK30
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipInner Dia. do (or d)
(mm)
Wire Dia. W
(mm)
Material Application Nominal Number

MYR 4.25

1 Piece(s)Available 4 Day(s) or more 14.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant15

MYR 4.25

1 Piece(s)Available 1 Day(s) 15.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant16

MYR 4.25

1 Piece(s)Available 4 Day(s) or more 17.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant18

MYR 5.08

1 Piece(s)Available 2 Day(s) 19.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant20

MYR 5.12

1 Piece(s)Available 4 Day(s) or more 21.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant22

MYR 5.12

1 Piece(s)Available 2 Day(s) 21.92[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant22.4

MYR 6.30

1 Piece(s)Available 1 Day(s) 23.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant24

MYR 6.30

1 Piece(s)Available 4 Day(s) or more 24.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant25

MYR 6.30

1 Piece(s)Available 2 Day(s) 25.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant26

MYR 14.29

1 Piece(s)Available 2 Day(s) 27.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant28

MYR 7.64

1 Piece(s)Available 2 Day(s) 28.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant29

MYR 7.64

1 Piece(s)Available 2 Day(s) 29.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant30

MYR 9.87

1 Piece(s)Available 4 Day(s) or more 312[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant31.5

MYR 9.87

1 Piece(s)Available 4 Day(s) or more 31.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant32

MYR 9.87

1 Piece(s)Available 4 Day(s) or more 33.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant34

MYR 11.09

1 Piece(s)Available 4 Day(s) or more 34.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant35

MYR 11.09

1 Piece(s)Available 4 Day(s) or more 352[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant35.5

MYR 11.09

1 Piece(s)Available 4 Day(s) or more 35.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant36

MYR 12.21

1 Piece(s)Available 4 Day(s) or more 37.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant38

MYR 12.21

1 Piece(s)Available 4 Day(s) or more 38.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant39

MYR 12.21

1 Piece(s)Available 4 Day(s) or more 39.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant40

MYR 13.32

1 Piece(s)Available 4 Day(s) or more 41.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant42

MYR 13.32

1 Piece(s)Available 4 Day(s) or more 43.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant44

MYR 13.32

1 Piece(s)Available 4 Day(s) or more 44.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant45

MYR 13.32

1 Piece(s)Available 4 Day(s) or more 45.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant46

MYR 14.14

1 Piece(s)Available 6 Day(s) 47.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant48

MYR 14.14

1 Piece(s)Available 4 Day(s) or more 49.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant50

MYR 6.07

1 Piece(s)Available 2 Day(s) 2.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant3

MYR 6.07

1 Piece(s)Available 4 Day(s) or more 3.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant4

MYR 6.07

1 Piece(s)Available 4 Day(s) or more 4.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant5

MYR 6.07

1 Piece(s)Available 6 Day(s) 5.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant6

MYR 7.27

1 Piece(s)Available 4 Day(s) or more 6.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant7

MYR 7.27

1 Piece(s)Available 4 Day(s) or more 7.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant8

MYR 7.27

1 Piece(s)Available 4 Day(s) or more 8.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant9

MYR 7.27

1 Piece(s)Available 4 Day(s) or more 9.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant10

MYR 7.27

1 Piece(s)Available 4 Day(s) or more 10.71.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant11.2

MYR 7.27

1 Piece(s)Available 4 Day(s) or more 11.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant12

MYR 7.27

1 Piece(s)Available 6 Day(s) 121.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant12.5

MYR 7.27

1 Piece(s)Available 4 Day(s) or more 13.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant14

MYR 8.49

1 Piece(s)Available 4 Day(s) or more 14.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant15

MYR 8.49

1 Piece(s)Available 4 Day(s) or more 15.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant16

MYR 8.49

1 Piece(s)Available 6 Day(s) 17.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant18

MYR 8.49

1 Piece(s)Available 4 Day(s) or more 19.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant20

MYR 8.49

1 Piece(s)Available 4 Day(s) or more 21.51.5[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant22

MYR 8.49

1 Piece(s)Available 4 Day(s) or more 21.92[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant22.4

MYR 8.49

1 Piece(s)Available 4 Day(s) or more 23.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant24

MYR 8.49

1 Piece(s)Available 4 Day(s) or more 24.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant25

MYR 8.49

1 Piece(s)Available 4 Day(s) or more 25.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant26

MYR 9.70

1 Piece(s)Available 6 Day(s) 27.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant28

MYR 9.70

1 Piece(s)Available 4 Day(s) or more 28.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant29

MYR 9.70

1 Piece(s)Available 4 Day(s) or more 29.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant30

MYR 9.70

1 Piece(s)Available 4 Day(s) or more 312[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant31.5

MYR 9.70

1 Piece(s)Available 6 Day(s) 31.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant32

MYR 10.91

1 Piece(s)Available 4 Day(s) or more 33.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant34

MYR 10.91

1 Piece(s)Available 4 Day(s) or more 34.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant35

MYR 10.91

1 Piece(s)Available 6 Day(s) 352[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant35.5

MYR 12.12

1 Piece(s)Available 4 Day(s) or more 35.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant36

MYR 13.34

1 Piece(s)Available 4 Day(s) or more 37.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant38

MYR 13.34

1 Piece(s)Available 4 Day(s) or more 38.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant39

MYR 13.34

1 Piece(s)Available 4 Day(s) or more 39.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant40

MYR 13.34

1 Piece(s)Available 4 Day(s) or more 41.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant42

MYR 13.34

1 Piece(s)Available 6 Day(s) 43.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant44

MYR 13.34

1 Piece(s)Available 4 Day(s) or more 44.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant45

MYR 13.34

1 Piece(s)Available 6 Day(s) 45.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant46

MYR 13.34

1 Piece(s)Available 4 Day(s) or more 47.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant48

MYR 14.54

1 Piece(s)Available 4 Day(s) or more 49.52[Fluoroelastomer] Fluoro RubberMineral Oil Resistant / Heat Resistant / Chemical Resistant50

MYR 6.05

1 Piece(s)Available 4 Day(s) or more 2.51.5Silicone RubberHeat Resistant / Cold Resistant3

MYR 6.05

1 Piece(s)Available 4 Day(s) or more 3.51.5Silicone RubberHeat Resistant / Cold Resistant4

MYR 6.05

1 Piece(s)Available 4 Day(s) or more 4.51.5Silicone RubberHeat Resistant / Cold Resistant5

MYR 6.05

1 Piece(s)Available 4 Day(s) or more 5.51.5Silicone RubberHeat Resistant / Cold Resistant6

MYR 6.05

1 Piece(s)Available 4 Day(s) or more 6.51.5Silicone RubberHeat Resistant / Cold Resistant7

MYR 6.05

1 Piece(s)Available 4 Day(s) or more 7.51.5Silicone RubberHeat Resistant / Cold Resistant8

MYR 6.05

1 Piece(s)Available 4 Day(s) or more 8.51.5Silicone RubberHeat Resistant / Cold Resistant9

MYR 6.05

1 Piece(s)Available 4 Day(s) or more 9.51.5Silicone RubberHeat Resistant / Cold Resistant10

MYR 6.32

1 Piece(s)Available 4 Day(s) or more 10.71.5Silicone RubberHeat Resistant / Cold Resistant11.2

MYR 6.32

1 Piece(s)Available 4 Day(s) or more 11.51.5Silicone RubberHeat Resistant / Cold Resistant12

MYR 6.32

1 Piece(s)Available 4 Day(s) or more 121.5Silicone RubberHeat Resistant / Cold Resistant12.5

MYR 6.32

1 Piece(s)Available 4 Day(s) or more 13.51.5Silicone RubberHeat Resistant / Cold Resistant14

MYR 6.60

1 Piece(s)Available 4 Day(s) or more 14.51.5Silicone RubberHeat Resistant / Cold Resistant15

MYR 6.60

1 Piece(s)Available 4 Day(s) or more 15.51.5Silicone RubberHeat Resistant / Cold Resistant16

MYR 6.60

1 Piece(s)Available 4 Day(s) or more 17.51.5Silicone RubberHeat Resistant / Cold Resistant18

MYR 6.60

1 Piece(s)Available 4 Day(s) or more 19.51.5Silicone RubberHeat Resistant / Cold Resistant20

MYR 6.60

1 Piece(s)Available 4 Day(s) or more 21.51.5Silicone RubberHeat Resistant / Cold Resistant22

MYR 6.88

1 Piece(s)Available 4 Day(s) or more 21.92Silicone RubberHeat Resistant / Cold Resistant22.4

MYR 6.88

1 Piece(s)Available 4 Day(s) or more 23.52Silicone RubberHeat Resistant / Cold Resistant24

MYR 6.88

1 Piece(s)Available 4 Day(s) or more 24.52Silicone RubberHeat Resistant / Cold Resistant25

MYR 6.88

1 Piece(s)Available 4 Day(s) or more 25.52Silicone RubberHeat Resistant / Cold Resistant26

MYR 7.15

1 Piece(s)Available 4 Day(s) or more 27.52Silicone RubberHeat Resistant / Cold Resistant28

MYR 7.15

1 Piece(s)Available 4 Day(s) or more 28.52Silicone RubberHeat Resistant / Cold Resistant29

MYR 7.15

1 Piece(s)Available 4 Day(s) or more 29.52Silicone RubberHeat Resistant / Cold Resistant30

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Basic Information

Standard S Series

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