# NSN 5310-00-116-2378: Washer, Keyway

NSN 5310-00-116-2378 (also written 5310001162378; NIIN 00-116-2378) is a washer, keyway 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: 5310-00-116-2378 (5310001162378)
- NIIN: 00-116-2378 (001162378)
- Item name: WASHER,KEYWAY
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| STYL | STYLE DESIGNATOR | — |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5059,ANNEALED |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.390 AND INCHES MAXIMUM 0.410 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 1.000 |
| ABLM | INTERNAL KEYWAY WIDTH | INCHES MINIMUM 0.150 AND INCHES MAXIMUM 0.170 |
| ABLR | DISTANCE FROM CENTERLINE TO BOTTOM OF INTERNAL KEYWAY | INCHES MINIMUM 0.315 AND INCHES MAXIMUM 0.325 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.100 |
| MATT | MATERIAL | OVERALL STEEL COMP 302 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 114S1903-84 | 77272 | THE BOEING COMPANY | [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=5310001162378&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001162378
- 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/5310-00-116-2378/
JSON: https://nsnexplorer.com/api/nsn/5310-00-116-2378.json