# NSN 5325-01-318-8303: Ring, Retaining

NSN 5325-01-318-8303 (also written 5325013188303; NIIN 01-318-8303) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5325-01-318-8303 (5325013188303)
- NIIN: 01-318-8303 (013188303)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AARX | INSIDE DIAMETER | INCHES MINIMUM 3.987 AND INCHES MAXIMUM 4.080 |
| AASG | CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 4.657 |
| ABMC | MAJOR THICKNESS | INCHES MINIMUM 0.154 AND INCHES MAXIMUM 0.158 |
| ABQK | END STYLE | — |
| ACXD | RING STYLE | — |
| ALBY | USAGE DESIGN | EXTERNAL |
| MATT | MATERIAL | STEEL COMP 1065 OR STEEL COMP 1074 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED SPEC 1ST MATERIAL RESPONSE QQ-S-700, CO- 1065 OR FED SPEC 2ND MATERIAL RESPONSE QQ-S-700, CO- 1074 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 11668650-11 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1625-R | 3Z4D8 | LLC RING MASTERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1625R | 72800 | EATON CORP ENGINEERED FASTENERS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325013188303&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325013188303
- 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/5325-01-318-8303/
JSON: https://nsnexplorer.com/api/nsn/5325-01-318-8303.json
