The Washer,lock, cataloged under National Stock Number 5310-01-072-9059, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Autek Systems Corp. Government technical data includes 3 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-072-9059 |
| Primary Part Number | 290-865 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Autek Systems Corp |
| Status | ACTIVE |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.375 INCHES NOMINAL0.375 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 |
|---|---|
| 290-865 PRIMARY | Autek Systems Corp (USA) |
NSN 5310-01-072-9059 is a Washer,lock, manufactured by Autek Systems Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-072-9059 has 1 manufacturer part number on file: 290-865 (Autek Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 1420-01-181-2706. Verify interchangeability with system specifications before substitution.
Key specifications for 290-865: Surface Treatment: CADMIUM OVERALL; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECTNAVY SPECIAL PROJECT; Material: STEEL OVERALL; Hole Diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN. 3 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.