The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-059-4676, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Div Huck Products Division. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-059-4676 |
| Primary Part Number | DPYS-7900-8-B-3 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.091 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.335 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.215 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Stud Thread Size and Series/type Designator | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 0.990 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 |
|---|---|
| DPYS-7900-8-B-3 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| 583R676H87 | 5/9 Secondary reference U.S. Government activity |
| DPYS-7900-8-B-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-059-4676 is a Stud,turnlock Fastener, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-059-4676 has 1 manufacturer part number on file: DPYS-7900-8-B-3 (Huck International, Inc. Div Huck Products Division).
Key specifications for DPYS-7900-8-B-3: Drive Type: CROSS RECESS; Material Accommodated Thickness: 0.091 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.335 INCHES NOMINAL IN. 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.