The Washer,lock, cataloged under National Stock Number 5310-01-707-9491, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Div Bind. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-707-9491 |
| Primary Part Number | 11241685 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Div Bind |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | SAE J403 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.487 INCHES NOMINAL IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-707-9491 is a Washer,lock, manufactured by Fastenal Company Div Bind, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-707-9491 has 2 manufacturer part numbers on file: 11241685 (Fastenal Company Dba Fastenal Co), 11241685 (Fastenal Company Div Bind).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-731-1572. Verify interchangeability with system specifications before substitution.
Key specifications for 11241685: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: SAE J403 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.487 INCHES NOMINAL IN; Material Thickness: 0.062 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
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.