# NSN 5325-01-510-8500: Ring, Retaining

NSN 5325-01-510-8500 (also written 5325015108500; NIIN 01-510-8500) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5325-01-510-8500 (5325015108500)
- NIIN: 01-510-8500 (015108500)
- Item name: RING,RETAINING
- Federal Supply Class: [FSC 5325 Fastening Devices](https://nsnexplorer.com/fsc/5325/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-15)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AARX | INSIDE DIAMETER | INCHES MINIMUM 0.800 AND INCHES MAXIMUM 0.815 |
| ABMC | MAJOR THICKNESS | INCHES MINIMUM 0.040 AND INCHES MAXIMUM 0.044 |
| ACXD | RING STYLE | — |
| AGAV | END ITEM IDENTIFICATION | SEAWOLF CLASS SSN; MRAP BUFFALO MK2A2 |
| ALBY | USAGE DESIGN | EXTERNAL |
| FEAT | SPECIAL FEATURES | MATERIAL TO COMMERCIAL SPEC PH15.7 MO |
| MATT | MATERIAL | STEEL CORROSION RESISTING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 91590A131 | 39428 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A109127-101-11 ITEM 10 | 1BQ03 | GENERAL DYNAMICS ADV INFO SYS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A109127-101-11 ITEM 10 | 3CX85 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-3926 | 56 | 2026-10-21 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325015108500&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325015108500&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325015108500
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/5325-01-510-8500/
JSON: https://nsnexplorer.com/api/nsn/5325-01-510-8500.json