The Nut,self-Locking,cap, cataloged under National Stock Number 5310-01-459-7490, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-459-7490 |
| Primary Part Number | 8310343 |
| Item Name | Nut,self-Locking,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Jlg Industries, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.440 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM B633 TY3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.590 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Nut Style | CAP |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 8310343 PRIMARY | Jlg Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8310343 | 5/9 Secondary reference Trak International |
NSN 5310-01-459-7490 is a Nut,self-Locking,cap, manufactured by Jlg Industries, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-459-7490 has 1 manufacturer part number on file: 8310343 (Jlg Industries, Inc.).
Key specifications for 8310343: Width Across Flats: 0.440 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM B633 TY3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND. 10 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.