# NSN 5310-00-877-9577: Washer, Key

NSN 5310-00-877-9577 (also written 5310008779577; NIIN 00-877-9577) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-877-9577 (5310008779577)
- NIIN: 00-877-9577 (008779577)
- Item name: WASHER,KEY
- Federal Supply Class: [FSC 5310 Nuts and Washers](https://nsnexplorer.com/fsc/5310/)
- 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 |
| --- | --- | --- |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 4.720 AND INCHES MAXIMUM 4.780 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 3.443 AND INCHES MAXIMUM 3.453 |
| STYL | STYLE DESIGNATOR | — |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD ALL MATERIAL RESPONSES AST- A108 |
| MATT | MATERIAL | OVERALL STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.120 AND INCHES MAXIMUM 0.130 |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | INCHES MINIMUM 0.271 AND INCHES MAXIMUM 0.291 |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | INCHES MINIMUM 1.552 AND INCHES MAXIMUM 1.562 |
| ABMR | INTERNAL KEY QUANTITY | 1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5310PL1860989 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AN7503-55 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS21258C55 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS21258C55 | 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/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310008779577&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310008779577
- 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/5310-00-877-9577/
JSON: https://nsnexplorer.com/api/nsn/5310-00-877-9577.json