# NSN 5331-01-542-6942: O-Ring

NSN 5331-01-542-6942 (also written 5331015426942; NIIN 01-542-6942) is an o-ring in Federal Supply Class 5331, O-Rings. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5331-01-542-6942 (5331015426942)
- NIIN: 01-542-6942 (015426942)
- Item name: O-RING
- Federal Supply Class: [FSC 5331 O-Rings](https://nsnexplorer.com/fsc/5331/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 4

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADVN | CROSS-SECTIONAL HEIGHT | MILLIMETERS NOMINAL 2.62 |
| ADYT | CENTER HOLE DIAMETER | MILLIMETERS NOMINAL 37.3 |
| AGAV | END ITEM IDENTIFICATION | NSN: 2320-01-447-6345; MRAP - COUGAR; MRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS) |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAL-O-RING |
| MATT | MATERIAL | RUBBER |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 23KP257 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 258-6526 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-01 | [SPE7LX21D0087/SPE7LX27FA006](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015426942) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $9.62 |
| 2026-10-01 | [SPE7LX21D0087/SPE7LX27FA151](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015426942) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $9.62 |
| 2026-10-01 | [SPE7LX21D0087/SPE7LX27FA240](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015426942) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $9.62 |
| 2026-09-28 | [SPE7LX21D0087/SPE7LX26FBE3P](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015426942) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $9.62 |
| 2026-09-23 | [SPE7LX21D0087/SPE7LX26FBN02](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015426942) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $9.62 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBG97](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015426942) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $9.62 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBH56](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015426942) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $9.62 |
| 2026-09-21 | [SPE7LX21D0087/SPE7LX26FBD71](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015426942) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $19.24 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331015426942&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015426942
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/5331-01-542-6942/
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