The Washer,convex, cataloged under National Stock Number 5310-01-656-0369, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Loughmiller Machine, Tool & Design. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,convex |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Loughmiller Machine, Tool & Design (CAGE 1G8N9) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-656-0369 |
| Primary Part Number | WASA091-1 |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Loughmiller Machine, Tool & Design |
| Status | ACTIVE |
| 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 |
|---|---|
| WASA091-1 PRIMARY | Loughmiller Machine, Tool & Design (USA) |
| Reference | Meaning |
|---|---|
| 802025341397-1 | 7/2 Vendor item drawing reference Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division |
| 802025341397 | D/9 Drawing number reference only Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division |
NSN 5310-01-656-0369 is a Washer,convex, manufactured by Loughmiller Machine, Tool & Design, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-656-0369 has 1 manufacturer part number on file: WASA091-1 (Loughmiller Machine, Tool & Design).
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.