# NSN 5310-01-522-0642: Washer, Flat

NSN 5310-01-522-0642 (also written 5310015220642; NIIN 01-522-0642) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-522-0642 (5310015220642)
- NIIN: 01-522-0642 (015220642)
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | STRYKER,FOV; MRAP - COUGAR CAT1 A1; MEDIUM MINE PROTECTED VEHICLE - MMPV |
| ADAV | OVERALL DIAMETER | MILLIMETERS MINIMUM 15.570 AND MILLIMETERS MAXIMUM 16.000 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAUB | HOLE DIAMETER | MILLIMETERS MINIMUM 8.400 AND MILLIMETERS MAXIMUM 8.620 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| ABNM | THICKNESS | MILLIMETERS NOMINAL 1.600 |
| MATT | MATERIAL | OVERALL STEEL |
| FEAT | SPECIAL FEATURES | HARDNESS CLASS IS 200HV |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10502237 | 56161 | GENERAL DYNAMICS LAND SYSTEMS CANADACORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11103708 | 0Y3H3 | FASTENAL COMPANY DBA FASTENAL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DIN125-A8.4-200HV-A2L | D8286 | DIN DEUTSCHES INSTITUT FUR NORMUNG EV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ISO7089-8-200HV-A2L | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ISO7089-A8.4-200HV-A2L | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-19 | [SPE4A626PK712](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015220642) | WASHER, FLAT | KAREN CARLISLE DBA B & K AEROSPACE | $1,043.70 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310015220642&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015220642
- 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/5310-01-522-0642/
JSON: https://nsnexplorer.com/api/nsn/5310-01-522-0642.json