The Washer,flat, cataloged under National Stock Number 5310-01-587-7917, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. 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 | 5310-01-587-7917 |
| Primary Part Number | 6PE94 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Hardness Rating | 38.0 ROCKWELL R MINIMUM AND 45.0 ROCKWELL R MAXIMUM |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Color | YELLOW OVERALL |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.063 INCHES NOMINAL IN |
| Thickness | 0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM 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 |
|---|---|
| 6PE94 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
NSN 5310-01-587-7917 is a Washer,flat, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-587-7917 has 1 manufacturer part number on file: 6PE94 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 6PE94: Overall Diameter: 2.500 INCHES NOMINAL IN; Hardness Rating: 38.0 ROCKWELL R MINIMUM AND 45.0 ROCKWELL R MAXIMUM; Cross-Sectional Shape Style: BLANK RECTANGULAR; Color: YELLOW 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.