The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-652-6519, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-652-6519 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Width Across Flats | 0.562 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.562 INCHES NOMINAL IN |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 1.000 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.683 INCHES NOMINAL IN |
| Stud Head Height | 0.219 INCHES NOMINAL IN |
| Turnlock Stud Head Style | STUD HEAD |
| Stud Shank Major Diameter | 0.310 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Stud Thread Size and Series/type Designator | 0.312-3 UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 1.000 INCHES MINIMUM AND 1.005 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 |
|---|---|
| 1981228PC5 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1006625PC5 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| UH5Y127 | 5/9 Secondary reference Southco Inc |
NSN 5325-00-652-6519 is a Stud,turnlock Fastener, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-652-6519: Width Across Flats: 0.562 INCHES NOMINAL IN; Extended Washer Diameter: 0.562 INCHES NOMINAL IN; Drive Type: SLOTTED; Material Accommodated Thickness: 1.000 INCHES MINIMUM AND 1.005 INCHES MAXIMUM 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.