The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-718-6426, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-718-6426 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Drive Type | HEX RECESSED FACE |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.361 INCHES NOMINAL IN |
| Diameter | 0.400 INCHES NOMINAL IN |
| Stud Head Height | 0.051 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minor Diameter | 0.272 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Grip Length | 0.932 INCHES MINIMUM AND 0.942 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 |
|---|---|
| 192015-5-15 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| 3M303 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 3M303C5W15 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
| 192015-5-15 | 3/2 Design control — primary reference U.S. Government activity |
| 192015-5-15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-718-6426 is a Stud,turnlock Fastener, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-718-6426: Drive Type: HEX RECESSED FACE; Turnlock Stud Shank Style: STUD SHANK; Extension Length: 0.361 INCHES NOMINAL IN; Diameter: 0.400 INCHES NOMINAL IN. 11 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.