# NSN 5325-01-163-3138: Ring, Retaining

NSN 5325-01-163-3138 (also written 5325011633138; NIIN 01-163-3138) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5325-01-163-3138 (5325011633138)
- NIIN: 01-163-3138 (011633138)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CA17053 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CA1753 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-15 | [SPE4AX25D5000/SPE4A227F0214](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325011633138) | RING, RETAINING | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | $1,762.88 |
| 2026-09-17 | [SPE4AX25D5000/SPE4A226F7431](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325011633138) | RING, RETAINING | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | $2,533.44 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325011633138&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325011633138
- 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/5325-01-163-3138/
JSON: https://nsnexplorer.com/api/nsn/5325-01-163-3138.json
