The Washer,shouldered, cataloged under National Stock Number 5310-01-290-8278, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Robicon Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Robicon Corp (CAGE 26862) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-290-8278 |
| Primary Part Number | HY-1529-BE |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Robicon Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| HY-1529-BE PRIMARY | Robicon Corp (USA) |
NSN 5310-01-290-8278 is a Washer,shouldered, manufactured by Robicon Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-290-8278 has 1 manufacturer part number on file: HY-1529-BE (Robicon Corp).
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.