O-Ring - Poland (PL)
Federal Supply Class (FSC): 5331
NATO Supply Classification Class (NSC): 5331
Federal Supply Group (FSG): 53 Hardware and Abrasives
NATO Supply Classification Group (NSG): 53 Hardware and Abrasives
Items Managed by Poland (PL) - NCB is 43
NSN Format for O-Ring
Codified by Poland
| 53 | 31 | 43 | XXX | XXXX | |||
|---|---|---|---|---|---|---|---|
| Group FSG | Class | NCB | Identifier | ||||
| FSC Federal Supply Class | NIIN | ||||||
| NSN | |||||||
NATO Supply Class 5331 refers to O-Rings, which are a type of sealing device used in various industries and applications. O-Rings are circular elastomeric rings with a round cross-section, typically made from materials such as rubber or silicone. They are designed to create a tight seal between two mating surfaces, preventing leakage of fluids or gases.
In the NATO Supply Group 53, which encompasses Hardware And Abrasives, O-Rings fall under the specific class of 5331. This class is dedicated to the categorization and identification of O-Rings within the NATO supply system.
O-Rings are widely used in a variety of industries, including automotive, aerospace, plumbing, and manufacturing. They are known for their versatility, durability, and ability to withstand high pressures and temperatures. O-Rings are commonly used in hydraulic and pneumatic systems, engines, pumps, valves, and other mechanical applications.
The NATO Supply Class 5331 for O-Rings ensures standardized identification and classification of these essential sealing devices within the NATO supply chain. This classification system helps streamline procurement processes and ensures compatibility and interchangeability of O-Rings across different NATO member countries.
If you need further information or assistance regarding O-Rings or any other topic, feel free to ask!

Excludes Packing and Gasket Material (FSC 5330).
Frequently Asked Questions(FAQ) for Federal Supply Class 5331
- What is Federal Supply Class 5331?
- FSC 5331 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 5331) in the USA for supply items codified in the category of O-Ring.
- What is NATO Supply Classification Class 5331?
- NSC 5331 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 5331 in the USA) for supply items codified in the category of O-Ring.
- Which Federal Supply Group is FSC 5331 in?
- FSC 5331 is in Federal Supply Group (FSG) 53 which contains Hardware and Abrasives.
- Which NATO Supply Classification Group is NSC 5331 in?
- NSC 5331 is in NATO Supply Classification Group (NSG) 53 which contains Hardware and Abrasives.
Supply Items Included in Federal Supply Class 5331
- What is an O-Ring? 128 Items
- An O-Ring is a nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see PACKING,PREFORMED. For noncircular items with a round cross-section, see SEAL,NONMETALLIC ROUND SECTION and RUBBER,ROUND SECTION.
Stock Items From Supply Class 5331 Page 1 of 1
- 430004022
- 220417
- RNCC: 3 | RNVC: 2
- T.E000-02838
- RNCC: 5 | RNVC: 2
- U220417
- RNCC: 5 | RNVC: 2
- 430006414
- 765-71-431
- RNCC: 3 | RNVC: 2
- 430000338
- 64.21.0185
- RNCC: 3 | RNVC: 2
- 430000773
- 89.29.1018
- RNCC: 3 | RNVC: 2
- 2860024
- RNCC: 6 | RNVC: 9
- 430003735
- 2267A-11-2
- RNCC: 3 | RNVC: 2
- 89.29.1421
- RNCC: 5 | RNVC: 9
- 430007079
- 64.21.0178
- RNCC: 3 | RNVC: 2
- 430002493
- W309
- RNCC: 3 | RNVC: 2
- PN-90/M-73092
- RNCC: 4 | RNVC: 1
- PIERSCIEN USZCZELNIAJACY -105X5
- RNCC: 5 | RNVC: 2
- 430002997
- NBR 70-N-27X3,5 PN-90/M-73092
- RNCC: 2 | RNVC: 2
- W13777
- RNCC: 3 | RNVC: 2
- PN-90/M-73092
- RNCC: 4 | RNVC: 1
- ON-27X3,5
- RNCC: 5 | RNVC: 2
- 430001041
- 3342-254
- RNCC: 3 | RNVC: 2
- 430004020
- 331091
- RNCC: 3 | RNVC: 2
- U331091
- RNCC: 5 | RNVC: 2
- 2-27.17.614.4
- RNCC: 5 | RNVC: 2
- 430005885
- 2258A-253
- RNCC: 3 | RNVC: 2
- 430004494
- 172.11.002
- RNCC: 3 | RNVC: 2
- 430001245
- 2609C52-16-2-1078
- RNCC: 3 | RNVC: 2
- 2860006
- RNCC: 6 | RNVC: 9
- 430002374
- UD113-139
- RNCC: 3 | RNVC: 2
- 430002428
- 19.11.0165
- RNCC: 3 | RNVC: 2
- 2267A-290-2
- RNCC: 5 | RNVC: 2
- 28.7.01.36
- RNCC: 6 | RNVC: 9
- 430004336
- W12614
- RNCC: 3 | RNVC: 2
- 881-01-2242
- RNCC: 5 | RNVC: 2
- 430004331
- W4765
- RNCC: 3 | RNVC: 2
- 881-01-2144
- RNCC: 5 | RNVC: 2
- 730957C1
- RNCC: 5 | RNVC: 9
- 430000790
- BU-1286M
- RNCC: 3 | RNVC: 2
- 2850007
- RNCC: 6 | RNVC: 9
- 430001237
- PTS 20R-180
- RNCC: 3 | RNVC: 2
- 2830106
- RNCC: 6 | RNVC: 9
- 430001815
- 97-00-03
- RNCC: 3 | RNVC: 2
- 430007075
- 89.29.2883
- RNCC: 3 | RNVC: 2
- 430000775
- 89.29.1423
- RNCC: 3 | RNVC: 2
- 2830016
- RNCC: 6 | RNVC: 9
- 430006661
- ANU-1000.40-5
- RNCC: 3 | RNVC: 2
- 430004335
- W11476
- RNCC: 3 | RNVC: 2
- 881-01-2240
- RNCC: 5 | RNVC: 2
- 430000992
- 64.23.0137
- RNCC: 3 | RNVC: 2
- 2830006
- RNCC: 6 | RNVC: 9
- 430001081
- 2262A-24-2
- RNCC: 3 | RNVC: 2
- 3630104
- RNCC: 6 | RNVC: 9
- 430001076
- 2267A-279-2
- RNCC: 3 | RNVC: 2
- 3680017
- RNCC: 6 | RNVC: 9
- 430000788
- U-19.5-3-A
- RNCC: 3 | RNVC: 2
- 2850004
- RNCC: 6 | RNVC: 9
- 430008376
- 2258A-13-2
- RNCC: 3 | RNVC: 2
- 430001077
- 2267A-158-2
- RNCC: 3 | RNVC: 2
- 3680016
- RNCC: 6 | RNVC: 9
- 430002375
- BH1-189
- RNCC: 3 | RNVC: 2
- 430009145
- 2186A-196
- RNCC: 3 | RNVC: 2
- 430006783
- 3673-551-537-161
- RNCC: 3 | RNVC: 2
- 3771-C
- RNCC: 5 | RNVC: 2
- GS8.683.436
- RNCC: 5 | RNVC: 9
- 430007168
- 3673-551-537-061
- RNCC: 3 | RNVC: 2
- 3771-A
- RNCC: 5 | RNVC: 1
- GS8.683.435
- RNCC: 5 | RNVC: 9
- 430001238
- 2186A-152
- RNCC: 3 | RNVC: 2
- 2890091
- RNCC: 6 | RNVC: 9
- 430000791
- U-9.4-2-A
- RNCC: 3 | RNVC: 2
- 2850011
- RNCC: 6 | RNVC: 9
- 430001236
- U-45-3-A
- RNCC: 3 | RNVC: 2
- 2830105
- RNCC: 6 | RNVC: 9
- 430006058
- 2258A-17-2
- RNCC: 3 | RNVC: 2
- 2850307
- RNCC: 6 | RNVC: 9
- 430001241
- TLH-32-140
- RNCC: 3 | RNVC: 2
- 2820018
- RNCC: 6 | RNVC: 9
- 430006121
- 89.29.3047
- RNCC: 3 | RNVC: 2
- 5331PL0084672
- RNCC: 6 | RNVC: 9
- 430006120
- 89.29.3054
- RNCC: 3 | RNVC: 2
- 5331PL0084622
- RNCC: 6 | RNVC: 9
- 430001246
- 14HK10X1
- RNCC: 3 | RNVC: 2
- 2860009
- RNCC: 6 | RNVC: 9
- 430000310
- 89.29.2838
- RNCC: 3 | RNVC: 2
- 430008375
- 2258A-22-2
- RNCC: 3 | RNVC: 2
- 430001079
- 2262A-169-2
- RNCC: 3 | RNVC: 2
- 3630106
- RNCC: 6 | RNVC: 9
- 430001250
- 2609C52-17-2-1078
- RNCC: 3 | RNVC: 2
- 2860003
- RNCC: 6 | RNVC: 9
- 430012583
- W81
- RNCC: 3 | RNVC: 2
- 1373-111-523-416
- RNCC: 5 | RNVC: 2
- ON-20X2,5
- RNCC: 5 | RNVC: 2
- 430008416
- GOST 9833-73 060-070-58-2-2
- RNCC: 3 | RNVC: 2
- 515-89-8420
- RNCC: 5 | RNVC: 2
- 5330PL0282262
- RNCC: 6 | RNVC: 9
- 430007074
- 64.21.0179
- RNCC: 3 | RNVC: 2
- 430000787
- BU-1062B/U
- RNCC: 3 | RNVC: 2
- 2850006
- RNCC: 6 | RNVC: 9
- 430000771
- 89.29.2969
- RNCC: 3 | RNVC: 2
- 2890110
- RNCC: 6 | RNVC: 9
- 430011746
- 2258A-9-2
- RNCC: 3 | RNVC: 2
- 430001158
- ANU-1000.40-4
- RNCC: 3 | RNVC: 2
- 3610105
- RNCC: 6 | RNVC: 9
- 430004339
- W11481
- RNCC: 3 | RNVC: 2
- 881-01-2251
- RNCC: 5 | RNVC: 2
- 430009061
- 2186A-21
- RNCC: 3 | RNVC: 2
- 430006437
- 2262A-168-2
- RNCC: 3 | RNVC: 2
- 430007078
- 89.29.2892
- RNCC: 3 | RNVC: 2
- 430014819
- 2261A-47
- RNCC: 3 | RNVC: 2
- 5330PL0807159
- RNCC: 6 | RNVC: 9
- 430001869
- 2186A-171
- RNCC: 3 | RNVC: 2
- 2890258
- RNCC: 6 | RNVC: 9
- 430009143
- 2186A-281
- RNCC: 3 | RNVC: 2
- 430014334
- 28.00.7604.104.000
- RNCC: 3 | RNVC: 2
- 430001875
- 2258A-417
- RNCC: 3 | RNVC: 2
- 2890259
- RNCC: 6 | RNVC: 9
- 430001072
- 5128A-178-2
- RNCC: 3 | RNVC: 2
- 3680038
- RNCC: 6 | RNVC: 9
- 430002377
- U-7,8-2,5-A
- RNCC: 3 | RNVC: 2
- 430001242
- 21192SZ-116
- RNCC: 3 | RNVC: 2
- 2820019
- RNCC: 6 | RNVC: 9
- 430009264
- 2258A-19
- RNCC: 3 | RNVC: 2
- 430000309
- 89.29.2835
- RNCC: 3 | RNVC: 2
- 430006436
- 2262A-170-2
- RNCC: 3 | RNVC: 2
- 430001249
- 2609C52-10-1,5-1078
- RNCC: 3 | RNVC: 2
- 2860004
- RNCC: 6 | RNVC: 9
- 430006574
- 89.29.2832
- RNCC: 3 | RNVC: 2
- 430000311
- 89.29.2826
- RNCC: 3 | RNVC: 2
- 430006061
- 2258A-42
- RNCC: 3 | RNVC: 2
- 430006781
- 3673-550-090-561
- RNCC: 3 | RNVC: 2
- 3771-A
- RNCC: 5 | RNVC: 2
- CA8.684.145
- RNCC: 5 | RNVC: 9
- 430001243
- TH1-144
- RNCC: 3 | RNVC: 2
- 2820014
- RNCC: 6 | RNVC: 9
- 430006059
- 2186A-373
- RNCC: 3 | RNVC: 2
- 2890205
- RNCC: 6 | RNVC: 9
- 430002410
- ODO1-223
- RNCC: 3 | RNVC: 2
- 1069-20-082-1
- RNCC: 5 | RNVC: 1
- 430001244
- 2609C52-6-1,5-1078
- RNCC: 3 | RNVC: 2
- 2890185
- RNCC: 6 | RNVC: 9
- 430000789
- PH2M-109
- RNCC: 3 | RNVC: 2
- 2850008
- RNCC: 6 | RNVC: 9
- 430000784
- 89.29.2882
- RNCC: 3 | RNVC: 2
- 2890276
- RNCC: 6 | RNVC: 9
- 430001075
- 2262A-225/AN4883A
- RNCC: 3 | RNVC: 2
- 3680024
- RNCC: 6 | RNVC: 9
- 430000801
- 89.29.2828
- RNCC: 3 | RNVC: 2
- 430004333
- W12611
- RNCC: 3 | RNVC: 2
- 881-01-2233
- RNCC: 5 | RNVC: 2
- 430001251
- 89.29.1426
- RNCC: 3 | RNVC: 2
- 2860099
- RNCC: 6 | RNVC: 9
- 430006780
- 3673-551-801-661
- RNCC: 3 | RNVC: 2
- 19381-63
- RNCC: 5 | RNVC: 2
- SK6.251.001
- RNCC: 5 | RNVC: 9
- 430001073
- 5128A-229-2
- RNCC: 3 | RNVC: 2
- 3680037
- RNCC: 6 | RNVC: 9
- 430004334
- W11475
- RNCC: 3 | RNVC: 2
- 881-01-2237
- RNCC: 5 | RNVC: 2
- 430007288
- 2259A-181-1
- RNCC: 3 | RNVC: 2
- 430000312
- 89.29.1433
- RNCC: 3 | RNVC: 2
- 430000792
- WH3-150
- RNCC: 3 | RNVC: 2
- 2850009
- RNCC: 6 | RNVC: 9
- 430001239
- TH3-152
- RNCC: 3 | RNVC: 2
- 2820016
- RNCC: 6 | RNVC: 9
- 430002376
- BH1-196
- RNCC: 3 | RNVC: 2
- 430000303
- 89.29.2845
- RNCC: 3 | RNVC: 2
- 430000785
- U-22-2-A
- RNCC: 3 | RNVC: 2
- 2850005
- RNCC: 6 | RNVC: 9
- 430000770
- 89.29.1428
- RNCC: 3 | RNVC: 2
- 2890327
- RNCC: 6 | RNVC: 9
- 430004341
- W9625
- RNCC: 3 | RNVC: 2
- 476-07-2044
- RNCC: 5 | RNVC: 2
- 430001082
- 2266A-253-2
- RNCC: 3 | RNVC: 2
- 3630420
- RNCC: 6 | RNVC: 9
- 430000774
- 19.71.0035
- RNCC: 3 | RNVC: 2
- 2860020
- RNCC: 6 | RNVC: 9
- 430001247
- 2609C52-20-2-1078
- RNCC: 3 | RNVC: 2
- 2860007
- RNCC: 6 | RNVC: 9
- 430000301
- 89.29.2818
- RNCC: 3 | RNVC: 2
- 430009144
- 2186A-4
- RNCC: 3 | RNVC: 2
- 430001074
- 5128A-162-2
- RNCC: 3 | RNVC: 2
- 3680036
- RNCC: 6 | RNVC: 9
- 430001248
- 2609C52-12-1,5-1078
- RNCC: 3 | RNVC: 2
- 2860005
- RNCC: 6 | RNVC: 9
- 430002273
- 19.72.2052
- RNCC: 3 | RNVC: 2
- 19.72.2052
- RNCC: 5 | RNVC: 2
- 28.7.01.42
- RNCC: 6 | RNVC: 9
- 430000313
- 89.29.2878
- RNCC: 3 | RNVC: 2
- 430001080
- 2262A-387
- RNCC: 3 | RNVC: 2
- 3630109
- RNCC: 6 | RNVC: 9
- 430002409
- 2262A-166
- RNCC: 3 | RNVC: 2
- 430002619
- 2262A-17-2
- RNCC: 3 | RNVC: 2
- 2262A-17-2
- RNCC: 5 | RNVC: 2
- 430006782
- 3673-550-086-561
- RNCC: 3 | RNVC: 2
- 3678
- RNCC: 5 | RNVC: 2
- CA8.684.095
- RNCC: 5 | RNVC: 9
- 430001240
- 2609C52-32-2-1078
- RNCC: 3 | RNVC: 2
- 2860008
- RNCC: 6 | RNVC: 9
- 430002431
- 89.29.1422
- RNCC: 3 | RNVC: 2
- 89.29.1422
- RNCC: 5 | RNVC: 2
- 2267A-23-2
- RNCC: 5 | RNVC: 2
- 28.7.01.50
- RNCC: 6 | RNVC: 9
- 430004338
- W11479
- RNCC: 3 | RNVC: 2
- 881-01-2246
- RNCC: 5 | RNVC: 2
- 430004340
- W11482
- RNCC: 3 | RNVC: 2
- 881-01-2255
- RNCC: 5 | RNVC: 2
- 430000772
- 89.29.2105
- RNCC: 3 | RNVC: 2
- 2860029
- RNCC: 6 | RNVC: 9
- 430004337
- W11478
- RNCC: 3 | RNVC: 2
- 881-01-2245
- RNCC: 5 | RNVC: 2
- 430000302
- 89.29.3231
- RNCC: 3 | RNVC: 2
- 430008417
- GOST 9833-73 006-010-25-2-2
- RNCC: 3 | RNVC: 2
- 515-89-8410
- RNCC: 5 | RNVC: 2
- 5330PL0282260
- RNCC: 6 | RNVC: 9
- 430000304
- 64.21.0175
- RNCC: 3 | RNVC: 2
- 430001078
- 2262A-306-2
- RNCC: 3 | RNVC: 2
- 3630108
- RNCC: 6 | RNVC: 9
- 430000779
- 89.29.3056
- RNCC: 3 | RNVC: 2
- 2890328
- RNCC: 6 | RNVC: 9
- 430000300
- 89.29.1425
- RNCC: 3 | RNVC: 2
- 430002181
- W5456
- RNCC: 3 | RNVC: 2
- PIERSCIEN USZCZELNIAJACY -45X4
- RNCC: 5 | RNVC: 2
- 430006435
- 2262A-22-2
- RNCC: 3 | RNVC: 2
- 430001870
- 2186A-180
- RNCC: 3 | RNVC: 2
- 2890260
- RNCC: 6 | RNVC: 9
- 430004149
- D22.512.09.1
- RNCC: 3 | RNVC: 2
- 430004332
- W11302
- RNCC: 3 | RNVC: 2
- 881-01-2174
- RNCC: 5 | RNVC: 2
- 727043C1
- RNCC: 5 | RNVC: 9
- 430003138
- W845
- RNCC: 3 | RNVC: 2
- 376-89-2262-0
- RNCC: 5 | RNVC: 2
- 430000793
- BU-1047A
- RNCC: 3 | RNVC: 2
- 2850015
- RNCC: 6 | RNVC: 9
- 430008556
- GOST 9833-73 090-100-58-2-2
- RNCC: 3 | RNVC: 2
- 515-89-8435
- RNCC: 5 | RNVC: 2
- 5330PL0705174
- RNCC: 6 | RNVC: 9