The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-044-3136, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Voi-Shan Products. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-044-3136 |
| Primary Part Number | 3M302A5-6 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE STUD |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.460 INCHES NOMINAL IN |
| Material Document and Classification | AMS6322 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Diameter | 0.399 INCHES NOMINAL IN |
| Stud Head Height | 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Stud Shank Major Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM STUD |
| Material | STEEL STUD |
| Stud Thread Size and Series/type Designator | 0.190-32 UNF |
| Grip Length | 0.370 INCHES MINIMUM AND 0.380 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 |
|---|---|
| 3M302A5-6 PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| M1916-5-6 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| 3M302-5-6 | 5/9 Secondary reference The Boeing Company Div Defense |
| 01916-5-6 | 5/9 Secondary reference U.S. Government activity |
| 1916-5-6 | 5/9 Secondary reference U.S. Government activity |
| 01916-5-6 | 3/2 Design control — primary reference U.S. Government activity |
| 3M302A5-6 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 1916-5-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-044-3136 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Voi-Shan Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-044-3136 has 2 manufacturer part numbers on file: 3M302A5-6 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), M1916-5-6 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for 3M302A5-6: Surface Treatment Document and Classification: QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE STUD; Drive Type: SLOTTED; Turnlock Stud Shank Style: STUD SHANK; Extension Length: 0.460 INCHES NOMINAL IN. 13 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.