The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-259-8311, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-259-8311 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.250 INCHES NOMINAL IN |
| Shank Neck Length | 0.233 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.160 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 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 |
|---|---|
| 81-99-122-14 | 5/9 Secondary reference U.S. Government activity |
| 2691624-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 81-99-122-22 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-259-8311 is a Stud,turnlock Fastener, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-259-8311: Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.250 INCHES NOMINAL IN; Shank Neck Length: 0.233 INCHES NOMINAL IN; Turnlock Stud Head Style: FILLISTER. 8 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.