O-Ring - Greece (GR)
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 Greece (GR) - NCB is 23
NSN Format for O-Ring
Codified by Greece
| 53 | 31 | 23 | 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? 100 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
- 231116378
- 3221199000360836
- RNCC: 3 | RNVC: 2
- 231141900
- 91 352 888 01
- RNCC: 3 | RNVC: 2
- 231143771
- F60-A00/82
- RNCC: 3 | RNVC: 2
- 231138306
- 35601
- RNCC: 3 | RNVC: 2
- 231141784
- 91 322 932 01
- RNCC: 3 | RNVC: 2
- 231141183
- 003-002-57
- RNCC: 3 | RNVC: 2
- 231143508
- WW 417 612
- RNCC: 3 | RNVC: 2
- 231115818
- 2394181400090732
- RNCC: 3 | RNVC: 2
- 231141763
- 00 10 691 418
- RNCC: 3 | RNVC: 2
- 231141988
- 91 471 093 39
- RNCC: 3 | RNVC: 2
- 231143064
- EP-800004/23
- RNCC: 3 | RNVC: 2
- 231139770
- 10691414
- RNCC: 3 | RNVC: 2
- 231141940
- 91 145 057 07
- RNCC: 3 | RNVC: 2
- 231143689
- 003-002-58
- RNCC: 3 | RNVC: 2
- 231141927
- 00 10 691 527
- RNCC: 3 | RNVC: 2
- 231143149
- 003-002-45
- RNCC: 3 | RNVC: 2
- 15010974
- RNCC: 5 | RNVC: 2
- 231141740
- AHV 25/2-50
- RNCC: 3 | RNVC: 2
- 231141905
- 00 10 691 517
- RNCC: 3 | RNVC: 2
- 231139744
- 9147603102
- RNCC: 3 | RNVC: 2
- 231141894
- 91 300 115 36
- RNCC: 3 | RNVC: 2
- 231144525
- 003-001-12
- RNCC: 3 | RNVC: 2
- 231139378
- 9114505627
- RNCC: 3 | RNVC: 2
- 231141886
- 91 324 023 04
- RNCC: 3 | RNVC: 2
- 231141835
- 91 324 029 01
- RNCC: 3 | RNVC: 2
- 231143169
- 9132261401
- RNCC: 3 | RNVC: 3
- 231141989
- 91 471 093 24
- RNCC: 3 | RNVC: 2
- 231141877
- 91 470 114 04
- RNCC: 3 | RNVC: 2
- 231139799
- 10691535
- RNCC: 3 | RNVC: 2
- 231141935
- 00 10 691 523
- RNCC: 3 | RNVC: 2
- 231141986
- 91 471 093 36
- RNCC: 3 | RNVC: 2
- 231141924
- 91 324 034 04
- RNCC: 3 | RNVC: 2
- 231138295
- 8243
- RNCC: 3 | RNVC: 2
- 231138808
- DIA24XDIA1,5
- RNCC: 3 | RNVC: 2
- 231143093
- 9130011524
- RNCC: 3 | RNVC: 2
- 231116692
- 7A7A7A7A
- RNCC: 3 | RNVC: 2
- 231138764
- DIA50.52XDIA1.78
- RNCC: 3 | RNVC: 2
- 231142063
- 20303.00102
- RNCC: 3 | RNVC: 2
- 231141788
- 91 322 931 03
- RNCC: 3 | RNVC: 2
- 231141782
- 00 10 691 511
- RNCC: 3 | RNVC: 2
- 231143610
- 0010691535
- RNCC: 3 | RNVC: 2
- 231138754
- DIA46XDIA2
- RNCC: 3 | RNVC: 2
- 231141903
- 91 471 080 13
- RNCC: 3 | RNVC: 2
- 231144618
- 003-001-2
- RNCC: 3 | RNVC: 2
- 231116778
- EP-800004/4-PLAN
- RNCC: 3 | RNVC: 2
- 231141769
- 91 324 010 01
- RNCC: 3 | RNVC: 2
- 231143096
- 0010691529
- RNCC: 3 | RNVC: 2
- 231138804
- DIA11XDIA1
- RNCC: 3 | RNVC: 2
- 231143066
- EP-800012-13.31A
- RNCC: 3 | RNVC: 2
- 231138792
- DIA30XDIA1.5
- RNCC: 3 | RNVC: 2
- 231143112
- 9146703102
- RNCC: 3 | RNVC: 2
- 231144382
- 0109972245
- RNCC: 3 | RNVC: 2
- 231141982
- 91 471 093 45
- RNCC: 3 | RNVC: 2
- 231141266
- 003-002-59
- RNCC: 3 | RNVC: 2
- 231142669
- 003-002-1
- RNCC: 3 | RNVC: 2
- 15011002
- RNCC: 5 | RNVC: 2
- 231138798
- DIA22XDIA1,5
- RNCC: 3 | RNVC: 2
- 231138420
- 32824
- RNCC: 3 | RNVC: 2
- 231139723
- 9114505703
- RNCC: 3 | RNVC: 2
- 231143098
- 9132261401
- RNCC: 3 | RNVC: 2
- 231141922
- 91 322 617 01
- RNCC: 3 | RNVC: 2
- 231139738
- 0010691404
- RNCC: 3 | RNVC: 2
- 231141912
- 91 471 080 23
- RNCC: 3 | RNVC: 2
- 231143150
- 9130011506
- RNCC: 3 | RNVC: 2
- 231141160
- 003-002-50
- RNCC: 3 | RNVC: 2
- 231141929
- 00 10 691 509
- RNCC: 3 | RNVC: 2
- 231141991
- 91 471 093 44
- RNCC: 3 | RNVC: 2
- 231141785
- 91 322 931 01
- RNCC: 3 | RNVC: 2
- 231141931
- 00 10 691 520
- RNCC: 3 | RNVC: 2
- 231123806
- 1480A440744
- RNCC: 3 | RNVC: 2
- 231139507
- DIA33XDIA1.50
- RNCC: 3 | RNVC: 2
- 231139487
- DIA38XDIA2
- RNCC: 3 | RNVC: 2
- 231139800
- 9130011509
- RNCC: 3 | RNVC: 2
- 231138761
- DIA28.25XDIA2.65
- RNCC: 3 | RNVC: 2
- 231143148
- 003-002-47
- RNCC: 3 | RNVC: 2
- 15010975
- RNCC: 5 | RNVC: 2
- 231138775
- DIA8XDIA1,5
- RNCC: 3 | RNVC: 2
- 231141795
- 90 322 340 02
- RNCC: 3 | RNVC: 2
- 231141185
- 003-002-56
- RNCC: 3 | RNVC: 2
- 231141275
- 003-002-53
- RNCC: 3 | RNVC: 2
- 231141911
- 91 471 080 08
- RNCC: 3 | RNVC: 2
- 231141939
- 91 145 058 04
- RNCC: 3 | RNVC: 2
- 231143151
- 0010691550
- RNCC: 3 | RNVC: 2
- 231143084
- 9132293104
- RNCC: 3 | RNVC: 2
- 231116790
- EP-800004/18-1-P
- RNCC: 3 | RNVC: 2
- 231141780
- 91 104 238 04
- RNCC: 3 | RNVC: 2
- 231144553
- 003-001-25
- RNCC: 3 | RNVC: 2
- 231139801
- 0010691414
- RNCC: 3 | RNVC: 2
- 231141263
- 003-002-36
- RNCC: 3 | RNVC: 2
- 231141996
- 91 492 019 12
- RNCC: 3 | RNVC: 2
- 231138762
- DIA56XDIA2
- RNCC: 3 | RNVC: 2
- 231140084
- 9132405401
- RNCC: 3 | RNVC: 2
- 231141805
- 91 981 005 65
- RNCC: 3 | RNVC: 2
- 231141885
- 91 324 023 02
- RNCC: 3 | RNVC: 2
- 231138800
- DIA26XDIA1
- RNCC: 3 | RNVC: 2
- 231141766
- 91 500 005 04
- RNCC: 3 | RNVC: 2
- 231138401
- 32151
- RNCC: 3 | RNVC: 2
- 231141879
- 91 470 114 06
- RNCC: 3 | RNVC: 2
- 231141865
- 00 10 691 420
- RNCC: 3 | RNVC: 2
- 231141241
- 003-002-61
- RNCC: 3 | RNVC: 2
- 231140897
- 0010691405
- RNCC: 3 | RNVC: 2
- 231137666
- F60-016/68
- RNCC: 3 | RNVC: 2
- 231139379
- 9114505626
- RNCC: 3 | RNVC: 2
- 231141276
- 003-002-55
- RNCC: 3 | RNVC: 2
- 231139525
- DIA21XDIA3
- RNCC: 3 | RNVC: 2
- 231141876
- 91 470 114 07
- RNCC: 3 | RNVC: 2
- 231138805
- DIA8XDIA1
- RNCC: 3 | RNVC: 2
- 231144619
- 003-001-01
- RNCC: 3 | RNVC: 2
- 231141906
- 00 10 691 507
- RNCC: 3 | RNVC: 2
- 231141897
- 00 10 691 409
- RNCC: 3 | RNVC: 2
- 231138757
- DIA34XDIA2
- RNCC: 3 | RNVC: 2
- 231138777
- DIA27XDIA1
- RNCC: 3 | RNVC: 2
- 231138782
- DIA33,05XDIA1,78
- RNCC: 3 | RNVC: 2
- 231141942
- 91 186 070 27
- RNCC: 3 | RNVC: 2
- 231141902
- 00 10 691 426
- RNCC: 3 | RNVC: 2
- 231139768
- 9147011408
- RNCC: 3 | RNVC: 2
- 231116786
- EP-800004/14-PLA
- RNCC: 3 | RNVC: 2
- 231138772
- DIA82,27XDIA1,78
- RNCC: 3 | RNVC: 2
- 231138317
- 10382
- RNCC: 3 | RNVC: 2
- 231141243
- 003-002-40
- RNCC: 3 | RNVC: 2
- 231138806
- DIA7XDIA1
- RNCC: 3 | RNVC: 2
- 231141190
- 003-002-60
- RNCC: 3 | RNVC: 2
- 231141181
- 003-002-54
- RNCC: 3 | RNVC: 2
- 231141992
- 91 471 093 13
- RNCC: 3 | RNVC: 2
- 231141509
- QZLA-99-16-1-0
- RNCC: 3 | RNVC: 2
- 231116783
- EP-800004/9-PLAN
- RNCC: 3 | RNVC: 2