The Washer,flat, cataloged under National Stock Number 5310-01-554-1192, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastar Incorporated. Government technical data includes 4 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 | 5310-01-554-1192 |
| Primary Part Number | 50N125WSP1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastar Incorporated |
| Status | ACTIVE |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.500 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 |
|---|---|
| 50N125WSP1 PRIMARY | Fastar Incorporated (USA) |
NSN 5310-01-554-1192 is a Washer,flat, manufactured by Fastar Incorporated, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-554-1192 has 1 manufacturer part number on file: 50N125WSP1 (Fastar Incorporated).
Key specifications for 50N125WSP1: Overall Diameter: 1.250 INCHES NOMINAL IN; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND; Hole Diameter: 0.500 INCHES NOMINAL IN. 4 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.