The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-483-0291, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-483-0291 |
| Primary Part Number | 3M302C6-7 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.460 INCHES NOMINAL IN |
| Diameter | 0.503 INCHES NOMINAL IN |
| Stud Head Height | 0.163 INCHES NOMINAL IN |
| Securing Device Type | RING |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Stud Shank Major Diameter | 0.334 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | IRON ALLOY 660 OVERALL |
| Stud Thread Size and Series/type Designator | 0.250-28 UNF |
| Grip Length | 0.437 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 | F |
| Part Number | Manufacturer |
|---|---|
| M191012-6-7 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 3M302C6-7 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| MT151C6-7 | 5/2 Secondary reference U.S. Government activity |
| 191012-6-7 | 5/2 Secondary reference U.S. Government activity |
| 191012-6-7 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-483-0291 is a Stud,turnlock Fastener, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-483-0291 has 2 manufacturer part numbers on file: M191012-6-7 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 3M302C6-7 (The Boeing Company Div Defense).
Key specifications for 3M302C6-7: Turnlock Stud Shank Style: STUD SHANK; Extension Length: 0.460 INCHES NOMINAL IN; Diameter: 0.503 INCHES NOMINAL IN; Stud Head Height: 0.163 INCHES NOMINAL IN. 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.