# NSN 5310-00-038-3971: Washer, Recessed

NSN 5310-00-038-3971 (also written 5310000383971; NIIN 00-038-3971) is a washer, recessed in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-038-3971 (5310000383971)
- NIIN: 00-038-3971 (000383971)
- Item name: WASHER,RECESSED
- 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 |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.313 AND INCHES MAXIMUM 0.315 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.680 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.090 |
| CQJW | TOP RECESS DIAMETER | INCHES NOMINAL 0.375 |
| CRKG | BOTTOM RECESS ANGLE | DEGREES NOMINAL 90.0 |
| CRSD | TOP RECESS ANGLE | DEGREES NOMINAL 90.0 |
| CSML | BOTTOM RECESS DIAMETER | INCHES NOMINAL 0.375 |
| CSYM | SURFACE FINISH | ALL SURFACES MICROINCHES 32.0 |
| MATT | MATERIAL | OVERALL STEEL COMP 303 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-764 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 14-41666-1 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. DBA DEFENSE SYSTEMS SECTOR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 14-41666-1 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 14-41666-1 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [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=5310000383971&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310000383971
- 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/5310-00-038-3971/
JSON: https://nsnexplorer.com/api/nsn/5310-00-038-3971.json