# NSN 5310-01-232-8492: Washer, Flat

NSN 5310-01-232-8492 (also written 5310012328492; NIIN 01-232-8492) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-232-8492 (5310012328492)
- NIIN: 01-232-8492 (012328492)
- Item name: WASHER,FLAT
- 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 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAUB | HOLE DIAMETER | MILLIMETERS MINIMUM 6.65 AND MILLIMETERS MAXIMUM 6.87 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| ABNM | THICKNESS | MILLIMETERS MINIMUM 1.20 AND MILLIMETERS MAXIMUM 1.75 |
| ADAV | OVERALL DIAMETER | MILLIMETERS MINIMUM 12.57 AND MILLIMETERS MAXIMUM 13.00 |
| AGAV | END ITEM IDENTIFICATION | RG-31 MRAP |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL ZINC AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- B633,TY 2,CL 3 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AEW23M06N000CH1A81 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B18.22M | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B1822BS060N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-18 | [SPE4A626D61RX/SPE4A626F362K](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012328492) | WASHER, FLAT | — | $163.35 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012328492&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012328492
- 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/5310-01-232-8492/
JSON: https://nsnexplorer.com/api/nsn/5310-01-232-8492.json