The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-140-4843, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Exsel Dytecna Limited. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-140-4843 |
| Primary Part Number | P51/901/357 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Exsel Dytecna Limited |
| Status | ACTIVE |
| Head Length | 1.156 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.250 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Stud Head Height | 0.953 INCHES NOMINAL IN |
| Shank Neck Length | 0.365 INCHES NOMINAL IN |
| Securing Device Type | RING |
| Turnlock Stud Head Style | LOOP ON FLAT FILLISTER |
| Stud Shank Major Diameter | 0.290 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.520 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 |
| Part Number | Manufacturer |
|---|---|
| P51/901/357 | Exsel Dytecna Limited (GBR) |
| Reference | Meaning |
|---|---|
| 85-16-260-16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-140-4843 is a Stud,turnlock Fastener, manufactured by Exsel Dytecna Limited, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-140-4843 has 1 manufacturer part number on file: P51/901/357 (Exsel Dytecna Limited).
Key specifications for P51/901/357: Head Length: 1.156 INCHES NOMINAL IN; Material Accommodated Thickness: 0.250 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Stud Head Height: 0.953 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.