# NSN 5310-01-053-2897: Washer, Finishing

NSN 5310-01-053-2897 (also written 5310010532897; NIIN 01-053-2897) is a washer, finishing in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-01-053-2897 (5310010532897)
- NIIN: 01-053-2897 (010532897)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.159 AND INCHES MAXIMUM 0.169 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.562 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.062 AND INCHES MAXIMUM 0.078 |
| ABMD | RECESS DIAMETER | INCHES MINIMUM 0.312 AND INCHES MAXIMUM 0.328 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.010 |
| CSTM | RECESS ANGLE | DEGREES NOMINAL 100.0 |
| HUES | COLOR | OVERALL GRAY/GREY |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY 2024 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-362,T3,T4 |
| SFTT | SURFACE TREATMENT | OVERALL ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED STD SINGLE TREATMENT RESPONSE FED-STD-595 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5310PL0743326 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C668A9G | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CG599A9G | 86044 | CALIFORNIA GASKET AND RUBBER CORPORATION DBA CALIFORNIA GAKET & RUBBER CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SI668A9G | 24434 | SKYLINE INDUSTRIES, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-20 | [SPE4A627P2177](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310010532897) | WASHER, FINISHING | HOOSIER INDUSTRIAL SUPPLY, INC | $13,852.14 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310010532897&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310010532897
- 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/5310-01-053-2897/
JSON: https://nsnexplorer.com/api/nsn/5310-01-053-2897.json