The Washer,lock, cataloged under National Stock Number 5310-01-440-9679, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Jlg Industries, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-440-9679 |
| Primary Part Number | 8310002 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Jlg Industries, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633-85,SC 1,TYPE 2 OR 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FLAT EXTERNAL TEETH |
| Outside Diameter | 0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Material Thickness | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.256 INCHES MINIMUM AND 0.267 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 |
| Part Number | Manufacturer |
|---|---|
| 8310002 PRIMARY | Jlg Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8310002 | 5/9 Secondary reference Trak International |
NSN 5310-01-440-9679 is a Washer,lock, manufactured by Jlg Industries, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-440-9679 has 1 manufacturer part number on file: 8310002 (Jlg Industries, Inc.).
Key specifications for 8310002: Surface Treatment Document and Classification: ASTM B633-85,SC 1,TYPE 2 OR 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT EXTERNAL TEETH; Outside Diameter: 0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Material Thickness: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM 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.