The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-256-8115, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ancra International Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-256-8115 |
| Primary Part Number | 40351-10 |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ancra International Llc |
| Status | ACTIVE |
| Width Across Flats | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.620 INCHES MAXIMUM IN |
| Eyelet Outside Diameter | 1.000 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.325 INCHES NOMINAL IN |
| Stud Head Height | 0.267 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.478 INCHES NOMINAL IN |
| Turnlock Stud Head Style | STUD HEAD |
| Material | STEEL OVERALL |
| Stud Assembly Style | STUD ASSEMBLY |
| Stud Diameter | 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 |
| Part Number | Manufacturer |
|---|---|
| CAN51039-10 | Airbus Defence and Space Sau (ESP) |
| 40351-10 PRIMARY | Ancra International Llc (USA) |
NSN 5325-01-256-8115 is a Stud Assembly,turnlock Fastener, manufactured by Ancra International Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-256-8115 has 2 manufacturer part numbers on file: CAN51039-10 (Airbus Defence and Space Sau), 40351-10 (Ancra International Llc).
Key specifications for 40351-10: Width Across Flats: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Extended Washer Diameter: 0.620 INCHES MAXIMUM IN; Eyelet Outside Diameter: 1.000 INCHES NOMINAL IN; Material Accommodated Thickness: 0.325 INCHES NOMINAL IN. 10 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.