# NSN 5331-01-656-9761: O-Ring

NSN 5331-01-656-9761 (also written 5331016569761; NIIN 01-656-9761) is an o-ring in Federal Supply Class 5331, O-Rings. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5331-01-656-9761 (5331016569761)
- NIIN: 01-656-9761 (016569761)
- 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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | MANIFOLD ASSY |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 285113-0002 ITEM 60 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 285113-0002 ITEM 60CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4400591-0120 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4400591-0120CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7L326P6021](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331016569761) | O-RING | MAROTTA CONTROLS INC | $3,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331016569761&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331016569761
- 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/5331-01-656-9761/
JSON: https://nsnexplorer.com/api/nsn/5331-01-656-9761.json