# NSN 5325-01-116-9578: Ring, Retaining

NSN 5325-01-116-9578 (also written 5325011169578; NIIN 01-116-9578) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5325-01-116-9578 (5325011169578)
- NIIN: 01-116-9578 (011169578)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AARX | INSIDE DIAMETER | INCHES MINIMUM 3.263 AND INCHES MAXIMUM 3.293 |
| AASG | CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 3.797 AND INCHES MAXIMUM 3.837 |
| ABMC | MAJOR THICKNESS | INCHES MINIMUM 0.108 AND INCHES MAXIMUM 0.114 |
| ACXD | RING STYLE | — |
| ALBY | USAGE DESIGN | EXTERNAL |
| ALME | MATERIAL HARDNESS RATING | ROCKWELL C MINIMUM 40.0 AND ROCKWELL C MAXIMUM 51.5 |
| MATT | MATERIAL | STEEL COMP 1074 OR STEEL COMP 1085 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-46049 AISI 1074 OR AISI 1085 |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FED SPEC SINGLE TREATMENT RESPONSE QQ--416, TYE 2, CLASS 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| M2742620154B | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-DTL-27426 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RSN-350-CD | 80756 | SPIROLOX INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE4A626V341N](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325011169578) | RING, RETAINING | R. L. MORRISSEY & ASSOCIATES, INC | $4,499.52 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325011169578&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325011169578
- 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/5325-01-116-9578/
JSON: https://nsnexplorer.com/api/nsn/5325-01-116-9578.json