# NSN 5325-01-211-1642: Ring, Retaining

NSN 5325-01-211-1642 (also written 5325012111642; NIIN 01-211-1642) is a ring, retaining in Federal Supply Class 5325, Fastening Devices. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5325-01-211-1642 (5325012111642)
- NIIN: 01-211-1642 (012111642)
- 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 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AARX | INSIDE DIAMETER | INCHES NOMINAL 0.170 |
| AASG | CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.220 |
| ABMC | MAJOR THICKNESS | INCHES MINIMUM 0.020 AND INCHES MAXIMUM 0.030 |
| ABQK | END STYLE | — |
| ACXD | RING STYLE | — |
| ALBY | USAGE DESIGN | EXTERNAL |
| MATT | MATERIAL | STEEL COMP 631 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE A-S 5644,17-7H |
| SFTT | SURFACE TREATMENT | CADMIUM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CA2025C | 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 |
| --- | --- | --- | --- | --- |
| 2026-10-20 | [SPE4AX25D5000/SPE4A227F0268](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325012111642) | RING, RETAINING | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | $1,787.70 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325012111642&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325012111642
- 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/5325-01-211-1642/
JSON: https://nsnexplorer.com/api/nsn/5325-01-211-1642.json