The Washer,lock, cataloged under National Stock Number 5310-01-299-0379, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ampex Data Systems Corp Computer Products Div. Government technical data includes 2 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 | 5310-01-299-0379 |
| Primary Part Number | 502-011 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ampex Data Systems Corp Computer Products Div |
| Status | ACTIVE |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 502-011 PRIMARY | Ampex Data Systems Corp Computer Products Div (USA) |
NSN 5310-01-299-0379 is a Washer,lock, manufactured by Ampex Data Systems Corp Computer Products Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-299-0379 has 1 manufacturer part number on file: 502-011 (Ampex Data Systems Corp Computer Products Div).
1 possible match (shared part number, not a government interchangeability claim): 5831-01-422-5362. Verify interchangeability with system specifications before substitution.
Key specifications for 502-011: Surface Treatment: PASSIVATE OVERALL; Material: STEEL CORROSION RESISTING OVERALL. 2 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.