The Washer,lock, cataloged under National Stock Number 5310-01-660-9494, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-660-9494 |
| Primary Part Number | 346-10040 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| 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 |
|---|---|
| 346-10040 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
NSN 5310-01-660-9494 is a Washer,lock, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-660-9494 has 1 manufacturer part number on file: 346-10040 (Columbus Jack Corporation Div Columbus Jack).
Key specifications for 346-10040: Part Name Assigned by Controlling Agency: WASHER,LOCK; End Item Identification: KC-46A SE A. 0 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.