The Washer,flat, cataloged under National Stock Number 5310-01-125-0625, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is James Walker & Co Ltd. Government technical data includes 8 specifications, 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 | 5310-01-125-0625 |
| Primary Part Number | 150474 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | James Walker & Co Ltd |
| Status | ACTIVE |
| Overall Diameter | 0.555 INCHES NOMINAL IN |
| Hardness Rating | 51.0 SHORE MINIMUM AND 60.0 SHORE MAXIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC ACRYLONITRILE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thickness | 0.062 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 |
|---|---|
| 150474 PRIMARY | James Walker & Co Ltd (GBR) |
| MBEU-65599 | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5310-01-125-0625 is a Washer,flat, manufactured by James Walker & Co Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-125-0625 has 2 manufacturer part numbers on file: 150474 (James Walker & Co Ltd), MBEU-65599 (Martin-Baker Aircraft Company Limited).
Key specifications for 150474: Overall Diameter: 0.555 INCHES NOMINAL IN; Hardness Rating: 51.0 SHORE MINIMUM AND 60.0 SHORE MAXIMUM; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.