The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-528-6271, 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13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-528-6271 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-87115,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Head Length | 0.875 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.170 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Stud Head Height | 0.438 INCHES NOMINAL IN |
| Shank Neck Length | 0.207 INCHES NOMINAL IN |
| Securing Device Type | RING |
| Turnlock Stud Head Style | FILLISTER WING |
| Stud Shank Major Diameter | 0.240 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL COMP 1010 OVERALL |
| Grip Length | 0.325 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 |
|---|---|
| 82-12-180-16 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 419914-6 | 5/2 Secondary reference U.S. Government activity |
| 82-12-180-17 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-00-528-6271 is a Stud,turnlock Fastener, classified under FSC 5325, Fastening Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5325-00-933-7564. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-00-528-6271: Surface Treatment Document and Classification: MIL-C-87115,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Head Length: 0.875 INCHES NOMINAL IN; Material Accommodated Thickness: 0.170 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 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.