The Washer,flat, cataloged under National Stock Number 5310-01-673-7817, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Powerboss Inc Div Minuteman Powerboss. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-673-7817 |
| Primary Part Number | 3400278 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Powerboss Inc Div Minuteman Powerboss |
| Status | ACTIVE |
| Hole Diameter | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-673-7817 is a Washer,flat, manufactured by Powerboss Inc Div Minuteman Powerboss, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-673-7817 has 2 manufacturer part numbers on file: 2073046 (Equipos Industriales De Manutencion Sa Div Equipos Industriales De Manutenci?n S.a.), 3400278 (Powerboss Inc Div Minuteman Powerboss).
Key specifications for 3400278: Part Name Assigned by Controlling Agency: WASHER-FENDER; Hole Diameter: 0.375 INCHES NOMINAL IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.