# NSN 5310-00-527-4509: Washer, Key

NSN 5310-00-527-4509 (also written 5310005274509; NIIN 00-527-4509) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-527-4509 (5310005274509)
- NIIN: 00-527-4509 (005274509)
- 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 |
| --- | --- | --- |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 40.0 AND ROCKWELL C MAXIMUM 45.0 |
| CQFW | DISTANCE FROM KEY CENTER TO WIRE HOLE CENTER | INCHES NOMINAL 0.125 |
| CRZZ | WIRE HOLE DIAMETER | INCHES NOMINAL 0.062 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.560 AND INCHES MAXIMUM 0.580 |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | INCHES NOMINAL 0.129 |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | INCHES NOMINAL 0.738 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.050 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.388 AND INCHES MAXIMUM 0.404 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 2 |
| STYL | STYLE DESIGNATOR | — |
| ZZZK | SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS513 |
| ABLK | INTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.077 AND INCHES MAXIMUM 0.087 |
| MATT | MATERIAL | OVERALL STEEL COMP 1095 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-7947,COND A |
| ABLB | INTERNAL PREBENT KEY LENGTH | INCHES MINIMUM 0.031 AND INCHES MAXIMUM 0.041 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5310PL0964739 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NAS513-6 | 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/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310005274509&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005274509
- 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/5310-00-527-4509/
JSON: https://nsnexplorer.com/api/nsn/5310-00-527-4509.json