# NSN 5325-01-237-1177: Ring, Retaining

NSN 5325-01-237-1177 (also written 5325012371177; NIIN 01-237-1177) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5325-01-237-1177 (5325012371177)
- NIIN: 01-237-1177 (012371177)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AARX | INSIDE DIAMETER | INCHES MINIMUM 1.102 AND INCHES MAXIMUM 1.117 |
| AASG | CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 1.312 AND INCHES MAXIMUM 1.327 |
| ABMC | MAJOR THICKNESS | INCHES MINIMUM 0.031 AND INCHES MAXIMUM 0.035 |
| ACXD | RING STYLE | — |
| ALBY | USAGE DESIGN | INTERNAL |
| AWQD | STRENGTH RATING | POUNDS PER SQUARE INCH (PSI) MINIMUM TENSILE 175000.0 |
| MATT | MATERIAL | COPPER ALLOY 170 OR COPPER ALLOY 172 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD 2ND MATERIAL RESPONSE A-S 4530 OR ASSN STD ALL MATERIAL RESPONSES AST- B194 OR FED SPEC ALL MATERIAL RESPONSES QQ-C-533 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| M24231/7-014 | 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/) |
| M24231/7-041 | 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/) |
| M24231/7-041 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PRB-131-M | 80756 | SPIROLOX INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-18 | [SPE4A626D61FQ/SPE4A626F487J](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325012371177) | RING, RETAINING | — | $382.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325012371177&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325012371177
- 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/5325-01-237-1177/
JSON: https://nsnexplorer.com/api/nsn/5325-01-237-1177.json