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Ultra Spring Extension Coil Spring (Part Numbers)

Ultra Spring Extension Coil Spring

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  • Ultra Spring Extension Coil Spring
  • Ultra Spring Extension Coil Spring

Standard springs that are produced by accurate quality control.
These springs are controlled by measuring loading at two points: allowable load and independently established standard load—in addition to the required dimensions.
All products have lot numbers and full traceability.

(i)Caution

  • The minimum order quantity varies depending on the selected model. For details, please check the quotation/order screen.
  • Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
    There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

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Part Number
DE521
DE522
DE524
DE525
DE526
DE527
DE528
DE529
DE530
DE531
DE532
DE533
DE534
DE535
DE536
DE538
DE539
DE540
DE541
DE542
DE543
DE544
DE545
DE546
DE547
DE548
DE549
DE550
DE551
DE552
DE553
DE554
DE555
DE556
DE557
DE558
DE559
DE560
DE561
DE562
DE563
DE564
DE565
DE566
DE567
DE568
DE569
DE570
DE571
DE572
DE573
DE574
DE575
DE576
DE577
DE578
DE579
DE580
DE581
DE582
DE583
DE584
DE585
DE586
DE587
DE588
DE589
DE590
DE591
DE592
DE593
DE594
DE595
DE596
DE597
DE598
DE599
DE601
DE602
DE603
DE604
DE605
DE606
DE607
DE608
DE609
DE610
DE611
DE612
DE613
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSFree Length Lf
(mm)
O.D. OD
(Ø)
Allowable Load(Range Specification)
(N)
Wire diameter d
(Ø)
Material Length L2 in Allowable Load
(mm)
Spring Constant K
(N/mm)
Allowable Load P2
(N)
Initial Tension Pi
(N)
Total coils Nt Maximum Elastic Curve Equation
(mm)
Load Length L1
(mm)
Reference load P1
(N)
Coil Center Diameter D
(Ø)
Ordering Unit
(piece)

MYR 27.72

1 Piece(s) 2 Day(s) 1056.28.633.51~8.000.63SWP-B188.30.0487.350.96262.5132.1130.124.538-

MYR 20.90

20 Piece(s) 4 Day(s) or more 1066.98.633.51~8.000.63SWP-B2350.0387.350.96279.5168.1160.934.538-

MYR 14.46

1 Piece(s) 4 Day(s) or more 1024.78.633.51~8.000.63SWP-B50.80.2417.350.96212.526.139.484.538-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1026.58.633.51~8.000.63SWP-B59.30.1957.350.96215.532.844.944.538-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1029.18.633.51~8.000.63SWP-B70.10.1557.350.96219.54152.164.538-

MYR 14.48

20 Piece(s) 4 Day(s) or more 1032.28.633.51~8.000.63SWP-B83.80.1247.350.96224.551.661.184.538-

MYR 14.48

20 Piece(s) 4 Day(s) or more 1036.68.633.51~8.000.63SWP-B103.10.0967.350.96231.566.573.864.538-

MYR 14.51

20 Piece(s) 4 Day(s) or more 1041.78.633.51~8.000.63SWP-B125.10.0767.350.96239.583.488.424.538-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1013.44.53.51~8.000.5SWP-B19.50.9127.261.56910.56.116.74.584-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1014.44.53.51~8.000.5SWP-B21.70.7657.261.56912.57.318.334.584-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1015.94.53.51~8.000.5SWP-B250.6187.261.56915.59.120.774.584-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1017.94.53.51~8.000.5SWP-B29.40.497.261.56919.511.524.034.584-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1020.44.53.51~8.000.5SWP-B34.80.3927.261.56924.514.428.14.584-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1023.94.53.51~8.000.5SWP-B42.50.3047.261.56931.518.633.84.584-

MYR 10.44

1 Piece(s) 4 Day(s) or more 1027.94.53.51~8.000.5SWP-B51.20.2457.261.56939.523.340.324.584-

MYR 14.46

1 Piece(s) 4 Day(s) or more 1039.44.53.51~8.000.5SWP-B76.40.1577.261.56962.53759.054.584-

MYR 14.48

20 Piece(s) 4 Day(s) or more 1047.94.53.51~8.000.5SWP-B950.1187.261.56979.547.172.894.584-

MYR 5.24

20 Piece(s) 4 Day(s) or more 1011.73.78.01~15.000.5SWP-B15.21.7858.832.40310.53.513.575.733.2-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1012.73.78.01~15.000.5SWP-B16.81.58.832.40312.54.114.925.733.2-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1014.23.78.01~15.000.5SWP-B19.41.2068.832.40315.55.216.955.733.2-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1016.23.78.01~15.000.5SWP-B22.80.9618.832.40319.56.619.675.733.2-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1018.73.78.01~15.000.5SWP-B270.7658.832.40324.58.323.055.733.2-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1022.23.78.01~15.000.5SWP-B32.90.5888.832.40331.510.727.85.733.2-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1026.23.78.01~15.000.5SWP-B39.60.4718.832.40339.513.433.225.733.2-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1031.23.78.01~15.000.5SWP-B48.10.3828.832.40349.516.9405.733.2-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1038.23.78.01~15.000.5SWP-B59.90.2948.832.40363.521.749.495.733.2-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1046.23.78.01~15.000.5SWP-B73.40.2358.832.40379.527.260.335.733.2-

MYR 27.68

1 Piece(s) 4 Day(s) or more 1052.46.938.01~15.000.63SWP-B127.50.0999.121.67762.575.193.675.766.3-

MYR 27.72

20 Piece(s) 4 Day(s) or more 1063.16.938.01~15.000.63SWP-B158.70.0819.121.67779.595.6115.65.766.3-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1019.76.938.01~15.000.63SWP-B32.10.5889.121.67710.512.426.635.766.3-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1020.96.938.01~15.000.63SWP-B35.80.4949.121.67712.514.929.155.766.3-

MYR 10.44

20 Piece(s) 4 Day(s) or more 1022.86.938.01~15.000.63SWP-B41.30.3989.121.67715.518.533.035.766.3-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1025.36.938.01~15.000.63SWP-B48.60.3179.121.67719.523.338.185.766.3-

MYR 14.46

10 Piece(s) 4 Day(s) or more 1028.56.938.01~15.000.63SWP-B57.80.2529.121.67724.529.344.685.766.3-

MYR 14.48

20 Piece(s) 4 Day(s) or more 1032.96.938.01~15.000.63SWP-B70.60.1969.121.67731.537.753.75.766.3-

MYR 14.48

20 Piece(s) 4 Day(s) or more 10386.938.01~15.000.63SWP-B85.30.1579.121.67739.547.364.085.766.3-

MYR 14.51

20 Piece(s) 4 Day(s) or more 1044.26.938.01~15.000.63SWP-B103.60.1259.121.67749.559.476.895.766.3-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1016.85.638.01~15.000.63SWP-B23.91.17711.082.50110.57.120.847.265-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1018.15.638.01~15.000.63SWP-B26.60.9911.082.50112.58.522.917.265-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1019.95.638.01~15.000.63SWP-B30.60.79411.082.50115.510.725.877.265-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1022.55.638.01~15.000.63SWP-B35.80.63711.082.50119.513.3307.265-

MYR 10.44

20 Piece(s) 4 Day(s) or more 1025.65.638.01~15.000.63SWP-B42.50.511.082.50124.516.935.037.265-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1030.15.638.01~15.000.63SWP-B51.70.39211.082.50131.521.642.227.265-

MYR 14.48

20 Piece(s) 4 Day(s) or more 1035.15.638.01~15.000.63SWP-B62.30.31411.082.50139.527.250.37.265-

MYR 14.48

20 Piece(s) 4 Day(s) or more 1041.45.638.01~15.000.63SWP-B75.60.25511.082.50149.534.260.457.265-

MYR 14.51

20 Piece(s) 4 Day(s) or more 1049.65.638.01~15.000.63SWP-B92.80.19611.082.50162.543.273.657.265-

MYR 27.68

20 Piece(s) 4 Day(s) or more 1060.35.638.01~15.000.63SWP-B115.30.15711.082.50179.55590.97.265-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1010.138.01~15.000.5SWP-B123.73610.693.46210.51.911.137.332.5-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1011.138.01~15.000.5SWP-B13.43.13810.693.46212.52.312.337.332.5-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1012.638.01~15.000.5SWP-B15.42.5310.693.46215.52.814.137.332.5-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1014.638.01~15.000.5SWP-B18.12.0110.693.46219.53.516.527.332.5-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1017.138.01~15.000.5SWP-B21.61.59810.693.46224.54.519.517.332.5-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1020.638.01~15.000.5SWP-B26.41.24510.693.46231.55.823.77.332.5-

MYR 14.46

1 Piece(s) 4 Day(s) or more 1024.638.01~15.000.5SWP-B31.80.9910.693.46239.57.228.497.332.5-

MYR 14.46

1 Piece(s) 4 Day(s) or more 1029.638.01~15.000.5SWP-B38.70.79410.693.46249.59.134.487.332.5-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1036.138.01~15.000.5SWP-B47.60.62810.693.46262.511.542.267.332.5-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1044.738.01~15.000.5SWP-B59.20.4910.693.46279.514.552.537.332.5-

MYR 27.72

20 Piece(s) 4 Day(s) or more 1046.210.88.01~15.000.8SWP-B124.10.12711.571.57931.577.991.427.3510-

MYR 27.74

20 Piece(s) 4 Day(s) or more 1052.610.88.01~15.000.8SWP-B150.40.09811.571.57939.597.8109.37.3510-

MYR 27.80

20 Piece(s) 4 Day(s) or more 1060.610.88.01~15.000.8SWP-B183.30.08111.571.57949.5122.7131.667.3510-

MYR 27.84

20 Piece(s) 7 Day(s) or more 107110.88.01~15.000.8SWP-B226.10.06511.571.57962.5155.1160.727.3510-

MYR 20.90

20 Piece(s) 4 Day(s) or more 1084.610.88.01~15.000.8SWP-B2820.05111.571.57979.5197.4198.737.3510-

MYR 14.48

20 Piece(s) 4 Day(s) or more 1029.410.88.01~15.000.8SWP-B55.10.38211.571.57910.525.744.477.3510-

MYR 14.48

20 Piece(s) 4 Day(s) or more 103110.88.01~15.000.8SWP-B61.70.32411.571.57912.530.748.947.3510-

MYR 14.48

1 Piece(s) 4 Day(s) or more 1033.410.88.01~15.000.8SWP-B71.50.25511.571.57915.538.155.657.3510-

MYR 14.51

20 Piece(s) 4 Day(s) or more 1036.610.88.01~15.000.8SWP-B84.70.20611.571.57919.548.164.597.3510-

MYR 27.68

20 Piece(s) 4 Day(s) or more 1040.610.88.01~15.000.8SWP-B101.10.16711.571.57924.560.575.777.3510-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1014.64.638.01~15.000.63SWP-B18.82.29513.443.60910.54.216.989.074-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1015.94.638.01~15.000.63SWP-B20.81.93213.443.60912.54.918.739.074-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1017.74.638.01~15.000.63SWP-B241.55913.443.60915.56.321.219.074-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1020.34.638.01~15.000.63SWP-B28.11.23613.443.60919.57.824.719.074-

MYR 7.87

20 Piece(s) 4 Day(s) or more 1023.54.638.01~15.000.63SWP-B33.30.98113.443.60924.59.829.049.074-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1027.94.638.01~15.000.63SWP-B39.90.76512.943.60931.51235.039.074-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1032.94.638.01~15.000.63SWP-B480.60812.943.60939.515.141.849.074-

MYR 14.48

20 Piece(s) 4 Day(s) or more 1039.24.638.01~15.000.63SWP-B58.20.4912.943.60949.51950.49.074-

MYR 10.44

20 Piece(s) 4 Day(s) or more 1047.44.638.01~15.000.63SWP-B71.40.38212.943.60962.52461.549.074-

MYR 14.51

20 Piece(s) 4 Day(s) or more 1058.14.638.01~15.000.63SWP-B88.70.30412.943.60979.530.676.099.074-

MYR 27.80

20 Piece(s) 4 Day(s) or more 1066.68.88.01~15.000.8SWP-B156.40.12614.022.70762.589.8118.169.188-

MYR 27.84

20 Piece(s) 4 Day(s) or more 1080.28.88.01~15.000.8SWP-B194.60.09914.022.70779.5114.4145.799.188-

MYR 14.46

20 Piece(s) 4 Day(s) or more 10258.88.01~15.000.8SWP-B39.80.74714.022.70710.514.833.669.188-

MYR 14.46

20 Piece(s) 4 Day(s) or more 1026.68.88.01~15.000.8SWP-B44.30.62814.022.70712.517.736.919.188-

MYR 14.48

20 Piece(s) 4 Day(s) or more 10298.88.01~15.000.8SWP-B510.50614.022.70715.52241.799.188-

MYR 10.44

20 Piece(s) 4 Day(s) or more 1032.28.88.01~15.000.8SWP-B600.40214.022.70719.527.848.299.188-

MYR 14.51

20 Piece(s) 4 Day(s) or more 1036.28.88.01~15.000.8SWP-B71.20.32114.022.70724.53556.419.188-

MYR 27.68

20 Piece(s) 4 Day(s) or more 1041.88.88.01~15.000.8SWP-B86.90.24914.022.70731.545.167.799.188-

MYR 27.72

20 Piece(s) 4 Day(s) or more 1048.28.88.01~15.000.8SWP-B104.90.19914.022.70739.556.780.799.188-

MYR 35.57

5 Piece(s) 4 Day(s) or more 1057.813.515.01~30.001SWP-B149.40.1617.162.46131.591.6113.2311.312.5-

MYR 45.45

5 Piece(s) 4 Day(s) or more 1065.813.515.01~30.001SWP-B180.90.12717.162.46139.5115.1135.3111.312.5-

MYR 35.57

5 Piece(s) 4 Day(s) or more 1075.813.515.01~30.001SWP-B220.10.10117.162.46149.5144.3162.9111.312.5-

MYR 44.55

5 Piece(s) 4 Day(s) or more 1088.813.515.01~30.001SWP-B271.20.0817.162.46162.5182.4198.7911.312.5-

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Basic Information

Hook Facing Angle 180° Hook Type Reverse Hook

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