The Washer,lock, cataloged under National Stock Number 5310-01-291-7253, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc. (CAGE 46UR5) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-291-7253 |
| Primary Part Number | HW1001A25 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| HW1001A25 PRIMARY | Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc. (USA) |
| Reference | Meaning |
|---|---|
| HW1001A25 | 3/9 Design control — primary reference Baldor Electric Co |
NSN 5310-01-291-7253 is a Washer,lock, manufactured by Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-291-7253 has 1 manufacturer part number on file: HW1001A25 (Abb Motors & Mechanical Inc Div Abb Motors and Mechanical 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.