The Washer,lock, cataloged under National Stock Number 5310-01-240-3944, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amz Alabama Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Amz Alabama Inc. (CAGE 076M6) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-240-3944 |
| Primary Part Number | 90118-666 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amz Alabama 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 |
|---|---|
| 90118-666 PRIMARY | Amz Alabama Inc. (USA) |
| 1536150-666 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1536150-666 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
| 90118-666 | 3/9 Design control — primary reference U.s. Defense Services, Inc. Dba Usds |
| 100400472 | 5/9 Secondary reference Blackstone Sweden Ab |
NSN 5310-01-240-3944 is a Washer,lock, manufactured by Amz Alabama Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-240-3944 has 2 manufacturer part numbers on file: 90118-666 (Amz Alabama Inc.), 1536150-666 (Amz Alabama 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.