The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-178-8673, 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12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-178-8673 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.290 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Shank Neck Length | 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Securing Device Type | WASHER |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.285 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE AND ZINC OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.555 INCHES MINIMUM AND 0.565 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 |
|---|---|
| 85-11-300-17 | 3/2 Design control — primary reference U.S. Government activity |
| 532009-13 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5325-00-178-8673 is a Stud,turnlock Fastener, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-178-8673: Surface Treatment Document and Classification: QQ-P-416 TY 2 FED SPEC SINGLE TREATMENT RESPONSE BARREL; Drive Type: SLOTTED; Material Accommodated Thickness: 0.290 INCHES MINIMUM AND 0.309 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.