The Washer,lock, cataloged under National Stock Number 5310-01-707-5683, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co Div Ilmon. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Fastenal Company Dba Fastenal Co Div Ilmon (CAGE 1U0N7) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-707-5683 |
| Primary Part Number | 13170-02987 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co Div Ilmon |
| 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 |
|---|---|
| 13170-02987 PRIMARY | Fastenal Company Dba Fastenal Co Div Ilmon (USA) |
| Reference | Meaning |
|---|---|
| 12558283 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 12558283-6 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-707-5683 is a Washer,lock, manufactured by Fastenal Company Dba Fastenal Co Div Ilmon, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-707-5683 has 1 manufacturer part number on file: 13170-02987 (Fastenal Company Dba Fastenal Co Div Ilmon).
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-707-5684, 5310-01-707-6334, 5310-01-708-5933. 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.