The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-608-7713, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Fastenal Company Dba Fastenal Co (CAGE 0Y3H3) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-608-7713 |
| Primary Part Number | 12604244-003 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| 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 |
|---|---|
| 3970540003 | Oshkosh Defense Llc (USA) |
| 12604244-003 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 10823-17149 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| Reference | Meaning |
|---|---|
| 3970540 | D/9 Drawing number reference only Oshkosh Defense Llc |
| 3970540 | D/9 Drawing number reference only Oshkosh Corp |
| 3970540003 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-608-7713 is a Nut,self-Locking,extended Washer, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-608-7713 has 3 manufacturer part numbers on file: 3970540003 (Oshkosh Defense Llc), 12604244-003 (U S Army Tank Automotive Command Amsta-Im-Mm), 10823-17149 (Fastenal Company Dba Fastenal Co).
4 possible matches (shared part number, not a government interchangeability claim): 5310-01-609-3935, 5310-01-609-3954, 5310-01-610-9729. Verify interchangeability with system specifications before substitution.
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.