The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-355-2771, 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13 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-355-2771 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416 TY 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Drive Type | SOCKET |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.361 INCHES NOMINAL IN |
| Diameter | 0.325 INCHES NOMINAL IN |
| Stud Head Height | 0.045 INCHES NOMINAL IN |
| Securing Device Type | RING |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Stud Shank Major Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE AND CADMIUM AND CHROMATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Stud Thread Size and Series/type Designator | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 0.375 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 |
|---|---|
| 03A119-4-6PL | 5/9 Secondary reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| M192018-4-6PL | 5/9 Secondary reference Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| 191012-4-6PL | 5/2 Secondary reference U.S. Government activity |
| 191012-4-6PL | 7/2 Vendor item drawing reference U.S. Government activity |
| 03A119-4-6PL | 3/2 Design control — primary reference U.S. Government activity |
| 03A119-4-6PL | 3/9 Design control — primary reference U.S. Government activity |
| 1910PLE4-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-355-2771 is a Stud,turnlock Fastener, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-355-2771: Surface Treatment Document and Classification: QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416 TY 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Drive Type: SOCKET; Turnlock Stud Shank Style: STUD SHANK; Extension Length: 0.361 INCHES NOMINAL 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.