# NSN 5310-01-300-0559: Washer, Key

NSN 5310-01-300-0559 (also written 5310013000559; NIIN 01-300-0559) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5310-01-300-0559 (5310013000559)
- NIIN: 01-300-0559 (013000559)
- 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 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.318 AND INCHES MAXIMUM 0.322 |
| ABKX | EXTERNAL STRAIGHT KEY LENGTH | INCHES NOMINAL 0.500 |
| ABLA | PEENING KEY LENGTH | INCHES NOMINAL 0.220 |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | INCHES NOMINAL 0.250 |
| CSYM | SURFACE FINISH | ALL SURFACES MICROINCHES 125.0 |
| FEAT | SPECIAL FEATURES | NEXT ASSY 116019-1/NHA F-15/ EXTERNAL KEYS NOT EQUAL WIDTH/KEY WIDTH 0.200 |
| MATT | MATERIAL | OVERALL STEEL COMP 301 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-766 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 116149-1 | 82340 | L3HARRIS TECHNOLOGIES, INC. | [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=5310013000559&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013000559
- 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/5310-01-300-0559/
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