# NSN 5310-00-219-3105: Washer, Flat

NSN 5310-00-219-3105 (also written 5310002193105; NIIN 00-219-3105) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-219-3105 (5310002193105)
- NIIN: 00-219-3105 (002193105)
- 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 Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| HEAT | HEAT TREATMENT | AS FABRICATED |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.717 AND INCHES MAXIMUM 0.719 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| MATT | MATERIAL | OVERALL STEEL |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 1.000 |
| FEAT | SPECIAL FEATURES | ACTION ID 45527732 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 77B0E012 | 32874 | BS&B SAFETY SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 77BOE012 | 11877 | NEWPORT SCIENTIFIC INC HYGRODYNAMIC PRODUCTS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 77BOE012 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310002193105&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002193105
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/5310-00-219-3105/
JSON: https://nsnexplorer.com/api/nsn/5310-00-219-3105.json