The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-503-1482, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-503-1482 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Width Across Flats | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Stud Head Height | 0.200 INCHES NOMINAL IN |
| Turnlock Stud Head Style | HEXAGON COUNTERSUNK |
| Stud Shank Major Diameter | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE AND DICHROMATE OVERALL |
| Stud Thread Size and Series/type Designator | 0.138-32 UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 0.280 INCHES MINIMUM AND 0.320 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 |
| Reference | Meaning |
|---|---|
| 0N634511-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-503-1482 is a Stud,turnlock Fastener, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-503-1482: Width Across Flats: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Stud Head Height: 0.200 INCHES NOMINAL IN; Turnlock Stud Head Style: HEXAGON COUNTERSUNK. 8 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.