# NSN 5310-01-374-6990: Washer, Flat

NSN 5310-01-374-6990 (also written 5310013746990; NIIN 01-374-6990) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-01-374-6990 (5310013746990)
- NIIN: 01-374-6990 (013746990)
- 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 | MILLIMETERS MINIMUM 5.3 AND MILLIMETERS MAXIMUM 5.5 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| ABNM | THICKNESS | MILLIMETERS MINIMUM 0.90 AND MILLIMETERS MAXIMUM 1.10 |
| ADAV | OVERALL DIAMETER | MILLIMETERS MINIMUM 9.64 AND MILLIMETERS MAXIMUM 10.00 |
| AGAV | END ITEM IDENTIFICATION | HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS) |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL ZINC AND CHROMATE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| DIN 125-A5.3-200HV-A3D | D8286 | DIN DEUTSCHES INSTITUT FUR NORMUNG EV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ISO 7089-M5X10X1.0A3D | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-02 | $0.03 | 10,000 | OSHKOSH DEFENSE LLC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013746990) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE4A626V354X](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013746990) | WASHER, FLAT | OSHKOSH DEFENSE LLC | $300.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310013746990&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013746990
- 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/5310-01-374-6990/
JSON: https://nsnexplorer.com/api/nsn/5310-01-374-6990.json