The Washer,lock, cataloged under National Stock Number 5310-01-664-7101, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Miller Electric Mfg. Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Airgas Usa, Llc (CAGE 3WRY5); Miller Electric Mfg. Llc (CAGE 3BH04) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-664-7101 |
| Primary Part Number | 201-244 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Miller Electric Mfg. Llc |
| 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 |
|---|---|
| MIL201 244 | Airgas Usa, Llc (USA) |
| 201-244 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 201-244 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 5310-01-664-7101 is a Washer,lock, manufactured by Miller Electric Mfg. Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-664-7101 has 2 manufacturer part numbers on file: MIL201 244 (Airgas Usa, Llc), 201-244 (Miller Electric Mfg. Llc).
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.