The Washer,lock, cataloged under National Stock Number 5310-01-435-7125, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Harvey Hubbell Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Connecticut Valley Industries, Llc Dba Connecticut Valley Industries (CAGE 55560); Harvey Hubbell Inc (CAGE 0U8W5) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-435-7125 |
| Primary Part Number | 254-0083-9809 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Harvey Hubbell 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 |
|---|---|
| 523290-1-19 | Connecticut Valley Industries, Llc Dba Connecticut Valley Industries (USA) |
| SPF-843 ITEM 7 | Harvey Hubbell Inc (USA) |
| 254-0083-9809 PRIMARY | Harvey Hubbell Inc (USA) |
| Reference | Meaning |
|---|---|
| 254-0083-9809 | 3/9 Design control — primary reference U.S. Government activity |
| SPF-843 ITEM 7 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-435-7125 is a Washer,lock, manufactured by Harvey Hubbell Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-435-7125 has 3 manufacturer part numbers on file: 523290-1-19 (Connecticut Valley Industries, Llc Dba Connecticut Valley Industries), SPF-843 ITEM 7 (Harvey Hubbell Inc), 254-0083-9809 (Harvey Hubbell 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.