The Washer,lock, cataloged under National Stock Number 5310-01-616-2006, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-616-2006 |
| Primary Part Number | 40389 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Material | STEEL BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-616-2006 is a Washer,lock, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-616-2006 has 3 manufacturer part numbers on file: 4466433 (Oshkosh Defense Llc), 9904174 (Hiab Usa Inc), 40389 (Fastenal Company Dba Fastenal Co).
Key specifications for 40389: Special Features: INNER DIAMETER-21.20MM; OUTER DIAMETER-33.60MM; FINISH-ZINC MM; Material: STEEL BODY. 1 specification is 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.