# NSN 5365-00-721-5528: Ring, Lock, Keyed

NSN 5365-00-721-5528 (also written 5365007215528; NIIN 00-721-5528) is a ring, lock, keyed in Federal Supply Class 5365, Bushings, Rings, Shims, and Spacers. 12 manufacturer part numbers from 9 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5365-00-721-5528 (5365007215528)
- NIIN: 00-721-5528 (007215528)
- Item name: RING,LOCK,KEYED
- Federal Supply Class: [FSC 5365 Bushings, Rings, Shims, and Spacers](https://nsnexplorer.com/fsc/5365/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-15)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABSF | KEY WIDTH | INCHES NOMINAL 0.062 |
| AARX | INSIDE DIAMETER | INCHES NOMINAL 0.242 |
| ADGA | OVERALL OUTSIDE DIAMETER | INCHES NOMINAL 0.312 |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.035 |
| AAST | KEY LENGTH | INCHES NOMINAL 0.110 |
| SFTT | SURFACE TREATMENT | PASSIVATE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 14189-2 | 78710 | TRIUMPH CONTROLS, LLC DBA TRIUMPH CONTROLS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 190936 | 66503 | WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4189-2 | 30464 | GENERAL ELECTRIC CO LARGE STEAM TURBINE-GENERATOR DEPT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 626-521-9005 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 69824-6 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 69824-6 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 701-5 | 01556 | STANLEY ENGINEERED FASTENING LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 99-4010-6 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 99-4010-6 | 56705 | DONALLCO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 99-4010-6 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS69824-6 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KR5-15 | 01556 | STANLEY ENGINEERED FASTENING LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A5-27-T-1021 | 148 | 2026-10-21 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5365007215528&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5365007215528&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5365007215528
- 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/5365-00-721-5528/
JSON: https://nsnexplorer.com/api/nsn/5365-00-721-5528.json