The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-065-6166, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-065-6166 |
| Primary Part Number | D3012C-0-2 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | SOCKET |
| Material Accommodated Thickness | 0.125 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Material Document and Classification | AMS5628B TYPE 431 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.312 INCHES NOMINAL IN |
| Stud Head Height | 0.062 INCHES NOMINAL IN |
| Stud Shank Major Diameter | 0.217 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.333 INCHES MINIMUM AND 0.353 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 |
|---|---|
| D3012C-0-2 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| D3012C-0-2 | 5/9 Secondary reference U.S. Government activity |
| 582R201H09 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5325-01-065-6166 is a Stud,turnlock Fastener, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-065-6166 has 1 manufacturer part number on file: D3012C-0-2 (Huck International, Inc. Div Huck Products Division).
Key specifications for D3012C-0-2: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: SOCKET; Material Accommodated Thickness: 0.125 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 11 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.