The Washer,flat, cataloged under National Stock Number 5310-01-631-2467, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-631-2467 |
| Primary Part Number | 98-19767 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Overall Diameter | 1.930 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Peripheral Shape Style | ROUND W/FLATS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.250 INCHES NOMINAL IN |
| Thickness | 0.125 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 |
| Part Number | Manufacturer |
|---|---|
| 98-19767 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
NSN 5310-01-631-2467 is a Washer,flat, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-631-2467 has 1 manufacturer part number on file: 98-19767 (Department of Defense Project Manager-Mobile Electric Power).
Key specifications for 98-19767: Width Across Flats: 0.750 INCHES NOMINAL IN; Overall Diameter: 1.930 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Color: BLACK OVERALL. 10 specifications are 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.