The Washer,lock, cataloged under National Stock Number 5310-01-573-8797, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fascan International, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Mcmaster-Carr Supply Co (CAGE 39428); Fascan International, Inc. (CAGE 0UJB5) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-573-8797 |
| Primary Part Number | MIL-001-260 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fascan International, Inc. |
| 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 |
|---|---|
| 91104A029 | Mcmaster-Carr Supply Co (USA) |
| MIL-001-260 PRIMARY | Fascan International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9-00000417 | 5/9 Secondary reference Xper, Inc. |
NSN 5310-01-573-8797 is a Washer,lock, manufactured by Fascan International, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-573-8797 has 2 manufacturer part numbers on file: 91104A029 (Mcmaster-Carr Supply Co), MIL-001-260 (Fascan International, Inc.).
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.