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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

MISUMI

MISUMI

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.

PDFP.2-1425-2014

Part Number

Configured Part Number is shown.

■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 222.5——1.00.2
22.4 to 502.7——1.50.4

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
NSSK31.5
NSSK32
NSSK34
NSSK35
NSSK35.5
NSSK36
NSSK38
NSSK39
NSSK40
NSSK42
NSSK44
NSSK45
NSSK46
NSSK48
NSSK50
NSSW3
NSSW4
NSSW5
NSSW6
NSSW7
NSSW8
NSSW9
NSSW10
NSSW11.2
NSSW12
NSSW12.5
NSSW14
NSSW15
NSSW16
NSSW18
NSSW20
NSSW22
NSSW22.4
NSSW24
NSSW25
NSSW26
NSSW28
NSSW29
NSSW30
NSSW31.5
NSSW32
NSSW34
NSSW35
NSSW35.5
NSSW36
NSSW38
NSSW39
NSSW40
NSSW42
NSSW44
NSSW45
NSSW46
NSSW48
NSSW50
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipInner Dia. do (or d)
(mm) 		Wire Dia. W
(mm) 		Material Application Nominal Number

MYR 7.15

1 Piece(s)Available 4 Day(s) or more 312Silicone RubberHeat Resistant / Cold Resistant31.5

MYR 7.15

1 Piece(s)Available 4 Day(s) or more 31.52Silicone RubberHeat Resistant / Cold Resistant32

MYR 7.15

1 Piece(s)Available 4 Day(s) or more 33.52Silicone RubberHeat Resistant / Cold Resistant34

MYR 7.70

1 Piece(s)Available 4 Day(s) or more 34.52Silicone RubberHeat Resistant / Cold Resistant35

MYR 7.70

1 Piece(s)Available 4 Day(s) or more 352Silicone RubberHeat Resistant / Cold Resistant35.5

MYR 8.53

1 Piece(s)Available 4 Day(s) or more 35.52Silicone RubberHeat Resistant / Cold Resistant36

MYR 8.81

1 Piece(s)Available 4 Day(s) or more 37.52Silicone RubberHeat Resistant / Cold Resistant38

MYR 8.81

1 Piece(s)Available 4 Day(s) or more 38.52Silicone RubberHeat Resistant / Cold Resistant39

MYR 9.34

1 Piece(s)Available 4 Day(s) or more 39.52Silicone RubberHeat Resistant / Cold Resistant40

MYR 9.34

1 Piece(s)Available 4 Day(s) or more 41.52Silicone RubberHeat Resistant / Cold Resistant42

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 43.52Silicone RubberHeat Resistant / Cold Resistant44

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 44.52Silicone RubberHeat Resistant / Cold Resistant45

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 45.52Silicone RubberHeat Resistant / Cold Resistant46

MYR 9.92

1 Piece(s)Available 4 Day(s) or more 47.52Silicone RubberHeat Resistant / Cold Resistant48

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 49.52Silicone RubberHeat Resistant / Cold Resistant50

MYR 6.05

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

MYR 6.05

1 Piece(s)Available 2 Day(s) 3.51.5Silicone RubberHeat Resistant4

MYR 6.08

1 Piece(s)Available 2 Day(s) 4.51.5Silicone RubberHeat Resistant5

MYR 6.32

1 Piece(s)Available 2 Day(s) 5.51.5Silicone RubberHeat Resistant6

MYR 6.32

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

MYR 6.32

1 Piece(s)Available 2 Day(s) 7.51.5Silicone RubberHeat Resistant8

MYR 6.32

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

MYR 6.32

1 Piece(s)Available 2 Day(s) 9.51.5Silicone RubberHeat Resistant10

MYR 6.60

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

MYR 6.60

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

MYR 6.60

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

MYR 6.60

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

MYR 6.88

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

MYR 6.88

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

MYR 6.88

1 Piece(s)Available 2 Day(s) 17.51.5Silicone RubberHeat Resistant18

MYR 7.15

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

MYR 7.15

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

MYR 7.15

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

MYR 7.43

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

MYR 7.43

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

MYR 7.43

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

MYR 7.43

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

MYR 7.43

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

MYR 7.70

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

MYR 7.70

1 Piece(s)Available 4 Day(s) or more 312Silicone RubberHeat Resistant31.5

MYR 7.70

1 Piece(s)Available 4 Day(s) or more 31.52Silicone RubberHeat Resistant32

MYR 8.25

1 Piece(s)Available 4 Day(s) or more 33.52Silicone RubberHeat Resistant34

MYR 8.25

1 Piece(s)Available 4 Day(s) or more 34.52Silicone RubberHeat Resistant35

MYR 8.25

1 Piece(s)Available 4 Day(s) or more 352Silicone RubberHeat Resistant35.5

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 35.52Silicone RubberHeat Resistant36

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 37.52Silicone RubberHeat Resistant38

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 38.52Silicone RubberHeat Resistant39

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 39.52Silicone RubberHeat Resistant40

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 41.52Silicone RubberHeat Resistant42

MYR 9.90

1 Piece(s)Available 4 Day(s) or more 43.52Silicone RubberHeat Resistant44

MYR 10.44

1 Piece(s)Available 4 Day(s) or more 44.52Silicone RubberHeat Resistant45

MYR 10.44

1 Piece(s)Available 4 Day(s) or more 45.52Silicone RubberHeat Resistant46

MYR 11.00

1 Piece(s)Available 4 Day(s) or more 47.52Silicone RubberHeat Resistant48

MYR 11.00

1 Piece(s)Available 4 Day(s) or more 49.52Silicone RubberHeat Resistant50

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Basic Information

Standard S Series

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Specification/Dimensions

  • Inner Dia. do (or d)(mm)

    • 2.5
    • 3.5
    • 4.5
    • 5.5
    • 6.5
    • 7.5
    • 8.5
    • 9.5
    • 10.7
    • 11.5
    • 12
    • 13.5
    • 14.5
    • 15.5
    • 17.5
    • 19.5
    • 21.5
    • 21.9
    • 23.5
    • 24.5
    • 25.5
    • 27.5
    • 28.5
    • 29.5
    • 31
    • 31.5
    • 33.5
    • 34.5
    • 35
    • 35.5
    • 37.5
    • 38.5
    • 39.5
    • 41.5
    • 43.5
    • 44.5
    • 45.5
    • 47.5
    • 49.5

    Clear

  • Wire Dia. W(mm)

    • 1.5
    • 2

    Clear

  • Material

    • Nitrile Rubber
    • Silicone Rubber
    • Fluoroelastomer
      • Fluoro Rubber

    Clear

  • Application

    • Mineral Oil Resistant
    • Heat Resistant
    • Abrasion Resistant
    • Chemical Resistant
    • Cold Resistant

    Clear

  • Nominal Number

    • 3
    • 4
    • 5
    • 6
    • 7
    • 8
    • 9
    • 10
    • 11.2
    • 12
    • 12.5
    • 14
    • 15
    • 16
    • 18
    • 20
    • 22
    • 22.4
    • 24
    • 25
    • 26
    • 28
    • 29
    • 30
    • 31.5
    • 32
    • 34
    • 35
    • 35.5
    • 36
    • 38
    • 39
    • 40
    • 42
    • 44
    • 45
    • 46
    • 48
    • 50

    Clear

  • type

    • NSA
    • NSB
    • NSF
    • NSFH
    • NSSK
    • NSSW

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 1 Day(s) or Less
    • 2 Day(s) or Less
    • 4 Day(s) or Less
    • 6 Day(s) or Less

    Clear

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