The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-340-5671, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Mcmaster-Carr Supply Co (CAGE 39428); Oshkosh Defense Llc (CAGE 75Q65); Brighton Cromwell Llc (CAGE 3NNX8); Triman Industries Inc (CAGE 0ZBE8) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-340-5671 |
| Primary Part Number | 1333510 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 94842A102 | Mcmaster-Carr Supply Co (USA) |
| 1333510 PRIMARY | Oshkosh Defense Llc (USA) |
| BCP4019 | Brighton Cromwell Llc (USA) |
| BCP4019 | Triman Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 1333510 | 5/9 Secondary reference Oshkosh Corp |
| 5310013405671 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5310-01-340-5671 is a Nut,self-Locking,extended Washer, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-340-5671 has 4 manufacturer part numbers on file: 94842A102 (Mcmaster-Carr Supply Co), 1333510 (Oshkosh Defense Llc), BCP4019 (Brighton Cromwell Llc), BCP4019 (Triman Industries 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.