# NSN 5310-00-105-3801: Washer, Recessed

NSN 5310-00-105-3801 (also written 5310001053801; NIIN 00-105-3801) is a washer, recessed 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: 5310-00-105-3801 (5310001053801)
- NIIN: 00-105-3801 (001053801)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2014 |
| STYL | STYLE DESIGNATOR | — |
| SFTT | SURFACE TREATMENT | OVERALL ANODIZE |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.562 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625 |
| ABMD | RECESS DIAMETER | INCHES NOMINAL 0.391 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC 1ST MATERIAL RESPONSE QQ-A-200 TO 3,T4 OR FED SPEC 1ST MATERIAL RESPONSE QQ-A-225 TO 6,T4 OR FED SPEC 1ST MATERIAL RESPONSE QQ-A-250 TO 4,T4 OR FED SPEC 2ND MATERIAL RESPONSE QQ-A-367,T6 |
| CSTM | RECESS ANGLE | DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.067 AND INCHES MAXIMUM 0.070 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 152B2054 | 72429 | MISSION SYSTEMS DAVENPORT 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=5310001053801&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001053801
- 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/5310-00-105-3801/
JSON: https://nsnexplorer.com/api/nsn/5310-00-105-3801.json