# NSN 5310-01-722-5145: Washer, Flat

NSN 5310-01-722-5145 (also written 5310017225145; NIIN 01-722-5145) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-01-722-5145 (5310017225145)
- NIIN: 01-722-5145 (017225145)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.198 AND INCHES MAXIMUM 0.211 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| ABNM | THICKNESS | INCHES MINIMUM 0.036 AND INCHES MAXIMUM 0.045 |
| ADAV | OVERALL DIAMETER | INCHES MINIMUM 0.401 AND INCHES MAXIMUM 0.414 |
| AGAV | END ITEM IDENTIFICATION | 2360-016935515 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHERS, TYPE B PLAIN WASHER |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE SAE J403 1055-1065 |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE AST- B633, TYE VI, SC 2 |
| ZZZK | SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 05047-AS-E B18.24-2023 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AEW26X19N000WJ1MF1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B18.21.1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B18.24 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE4A626PK915](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310017225145) | WASHER, FLAT | — | $562.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310017225145&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310017225145
- 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/5310-01-722-5145/
JSON: https://nsnexplorer.com/api/nsn/5310-01-722-5145.json