# NSN 5310-00-769-4637: Washer, Finishing

NSN 5310-00-769-4637 (also written 5310007694637; NIIN 00-769-4637) is a washer, finishing in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-00-769-4637 (5310007694637)
- NIIN: 00-769-4637 (007694637)
- Item name: WASHER,FINISHING
- 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 P: the government does not own the rights to the data needed for more sources. (observed 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.730 AND INCHES MAXIMUM 0.770 |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY 2024 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.080 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.032 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.193 AND INCHES MAXIMUM 0.223 |
| ABMD | RECESS DIAMETER | INCHES MINIMUM 0.385 AND INCHES MAXIMUM 0.405 |
| CSTM | RECESS ANGLE | DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 103.0 |
| STYL | STYLE DESIGNATOR | — |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-250 TO 5,T3 OR T4 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| S290D1032 | 09772 | WEST COAST LOCKWASHER CO., INC. DBA WEST COAST LOCKWASHER CO INC DIV WEST COAST LOCKWASHER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S290D1032 | 71379 | CESSNA AIRCRAFT COMPANY DBA TEXTRON AVIATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S290D1032 | 7EK50 | TEXTRON AVIATION INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S3420D2 | 7EK50 | TEXTRON AVIATION INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-21 | [SPE4A627P0253](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310007694637) | WASHER, FINISHING | — | $3,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310007694637&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310007694637
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/5310-00-769-4637/
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