The Washer,flat, cataloged under National Stock Number 5310-01-595-4456, 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 9 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 | 5310-01-595-4456 |
| Primary Part Number | 2WY92 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Overall Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | YELLOW OVERALL |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 17.0 MILLIMETERS NOMINAL MM |
| Thickness | 2.7 MILLIMETERS MINIMUM AND 3.3 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 2WY92 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
NSN 5310-01-595-4456 is a Washer,flat, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-595-4456 has 1 manufacturer part number on file: 2WY92 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 2WY92: Overall Diameter: 30.0 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Color: YELLOW OVERALL; Surface Treatment: ZINC OVERALL. 9 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.