# NSN 5365-00-421-9083: Ring, Lock, Serrated

NSN 5365-00-421-9083 (also written 5365004219083; NIIN 00-421-9083) is a ring, lock, serrated in Federal Supply Class 5365, Bushings, Rings, Shims, and Spacers. 8 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5365-00-421-9083 (5365004219083)
- NIIN: 00-421-9083 (004219083)
- Item name: RING,LOCK,SERRATED
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AWPN | INNER SERRATION QUANTITY | 24 |
| ADGA | OVERALL OUTSIDE DIAMETER | INCHES MINIMUM 0.541 AND INCHES MAXIMUM 0.550 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.140 AND INCHES MAXIMUM 0.150 |
| MATT | MATERIAL | STEEL COMP 1117 |
| AARX | INSIDE DIAMETER | INCHES MINIMUM 0.387 AND INCHES MAXIMUM 0.394 |
| SFTT | SURFACE TREATMENT | CADMIUM |
| AWQC | SIDE OUTER SERRATIONS OMITTED FOR CLOSE EDGE INSTALLATION | TWO SIDES |
| AAVL | PILOT DIAMETER | INCHES MINIMUM 0.475 AND INCHES MAXIMUM 0.485 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 903592C1 | 55820 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 903592C1 | 66195 | SOLAR TURBINES INCORPORATED DBA SOLAR TURBINES INCORPORATED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AA59558-1-06 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS51990-107P | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RLRR33SA9 | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RLRR33SB9 | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S13FJ121-16TB22AEO301 | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S22FJ121-16TB31AEO301 | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-09 | [SPE4A726PG427](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5365004219083) | RING, LOCK, SERRATED | — | $3,852.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5365004219083&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5365004219083
- 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/5365-00-421-9083/
JSON: https://nsnexplorer.com/api/nsn/5365-00-421-9083.json