The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-111-0645, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (CAGE 1EFH8); Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation (CAGE 17353) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-111-0645 |
| Primary Part Number | S075144 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 10030755 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| S075144 PRIMARY | Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation (USA) |
| Reference | Meaning |
|---|---|
| 110311A | 5/9 Secondary reference Oshkosh Corp |
| 1408910 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Corp |
| 110311A | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 110311A | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5310-01-111-0645 is a Nut,self-Locking,extended Washer, manufactured by Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-111-0645 has 2 manufacturer part numbers on file: 10030755 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), S075144 (Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation).
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.