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O-Rings / S Series (Part Numbers - CAD Download)

O-Rings / S Series

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[Features] One O-ring, S series.
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Dimensional Drawings

O-Ring - S Series: Related Image
■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)		ColorApplicable
Temperature Range		Old JIS
Material Identification Symbol		JIS Material
Identification Symbol		Applications:Features
NSANitrile Rubber70±5Black－30 to 100°C

Class 1 A

NBR-70-1Mineral Oil ResistantMost representative material with superior oil / abrasion resistance and heat stability.
NSBNitrile Rubber90±5Black－25 to 100°CClass 1 BNBR-90
NSSWSilicon Rubber50±5Milky White－50 to 200°C——Heat ResistantHaving excellent high and low temperature resistances, this material covers the widest range of operating temperatures among synthetic rubbers.
NSSKSilicon Rubber70±5Scarlet Red－50 to 200°CClass 4 CVMQ-70Heat Resistant
NSFFluoro Rubber70±5Black－15 to 200°CClass 4 DFKM-70Best in oil / chemical resistance and heat stability as synthetic rubber. Suitable for a wide range of applications.
NSFHFluoro Rubber90±5Black－15 to 200°C—FKM-90Heat Resistant
[ ! ] The service life is not constant depending on the operating environment.

Specification Table

Part Number
NSA25
■ S Series
Part NumberNominal
Number		WI.D.Matching Material
TypeNo.doNSA·NSB
Tolerance		NSSW·NSSK
Tolerance		NSF·NSFH
Tolerance		dToleranceDTolerance
NSA
(Nitrile Rubber, Black)


NSB
(Nitrile Rubber, Black)


NSSW
(Silicon Rubber, Milky White)


NSSK
(Silicon Rubber, Vermilion)


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
NSB28
NSB29
NSB30
NSB31.5
NSB32
NSB34
NSB35
NSB35.5
NSB36
NSB38
NSB39
NSB40
NSB42
NSB44
NSB45
NSB46
NSB48
NSB50
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
Inner Dia. do (or d)
(mm) 		Wire Dia. W
(mm) 		Material Application Nominal Number

0.50 €

1 5 Days 27.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance28

0.50 €

1 5 Days 28.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance29

0.50 €

1 5 Days 29.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance30

0.50 €

1 5 Days 312Nitrile RubberMineral Oil Resistant / Abrasion Resistance31.5

0.50 €

1 5 Days 31.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance32

0.50 €

1 5 Days 33.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance34

0.50 €

1 5 Days 34.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance35

0.50 €

1 5 Days 352Nitrile RubberMineral Oil Resistant / Abrasion Resistance35.5

0.50 €

1 5 Days 35.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance36

0.57 €

1 5 Days 37.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance38

0.57 €

1 5 Days 38.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance39

0.57 €

1 5 Days 39.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance40

0.63 €

1 5 Days 41.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance42

0.63 €

1 5 Days 43.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance44

0.63 €

1 5 Days 44.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance45

0.63 €

1 5 Days 45.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance46

0.63 €

1 5 Days 47.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance48

0.63 €

1 5 Days 49.52Nitrile RubberMineral Oil Resistant / Abrasion Resistance50

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Basic information

Type S Series

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Basic Attributes

  • 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

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  • Wire Dia. W(mm)

    • 1.5
    • 2

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  • Material

    • Nitrile Rubber
    • Silicon Rubber
    • Fluororubber
      • Fluororubber

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  • 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

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  • Type

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

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  • Application

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

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