The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-171-5793, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-171-5793 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Head Length | 1.125 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.390 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Stud Head Height | 0.438 INCHES NOMINAL IN |
| Shank Neck Length | 0.505 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 3 TYPE |
| Turnlock Stud Head Style | FILLISTER WING |
| Stud Shank Major Diameter | 0.290 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.660 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 | X |
| Reference | Meaning |
|---|---|
| MIL-F-5591 | 3/1 Design control — primary reference U.S. Government activity |
| MILF5591 | 5/9 Secondary reference U.S. Government activity |
| 9454159-3 | 5/9 Secondary reference U.S. Government activity |
| 5W400 | 5/9 Secondary reference Southco Inc New York Div |
| 85-12-400-16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-00-171-5793 is a Stud,turnlock Fastener, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-171-5793: Surface Treatment Document and Classification: QQ-P-416TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Head Length: 1.125 INCHES NOMINAL IN; Material Accommodated Thickness: 0.390 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 12 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.