The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-059-4678, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-059-4678 |
| Primary Part Number | LTW-7300-10-C-7 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Width Across Flats | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Drive Type | HEX RECESSED FACE |
| Stud Head Height | 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Stud Thread Size and Series/type Designator | 0.190-32 UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 0.687 INCHES NOMINAL 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 |
|---|---|
| 583R579H31 | Fastener Technology Corp (USA) |
| 583R579H31 | Huck International, Inc (USA) |
| LTW-7300-10-C-7 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 583R579H31 | 5/9 Secondary reference Deutsch Fastener Corp |
| 583R579 | 5/2 Secondary reference U.S. Government activity |
| 583R579H31 | 5/9 Secondary reference U.S. Government activity |
| 583R579H31 | 5/9 Secondary reference U.S. Government activity |
| LTW-7300-10-C-7 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-059-4678 is a Stud,turnlock Fastener, manufactured by Huck International, Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-059-4678 has 3 manufacturer part numbers on file: 583R579H31 (Fastener Technology Corp), 583R579H31 (Huck International, Inc), LTW-7300-10-C-7 (Huck International, Inc).
Key specifications for LTW-7300-10-C-7: Width Across Flats: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Drive Type: HEX RECESSED FACE; Stud Head Height: 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE OVERALL. 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.