The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-321-3294, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div Camloc Products. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-321-3294 |
| Primary Part Number | 40S51A070-7B |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Eyelet Outside Diameter | 0.365 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.171 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Diameter | 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN |
| Stud Head Height | 0.092 INCHES NOMINAL IN |
| Securing Device Type | WASHER |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.603 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | STUD HEAD |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.145 INCHES MINIMUM AND 0.156 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 |
| Part Number | Manufacturer |
|---|---|
| 40S51A070-7B PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
NSN 5325-00-321-3294 is a Stud Assembly,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-321-3294 has 1 manufacturer part number on file: 40S51A070-7B (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 40S51A070-7B: Eyelet Outside Diameter: 0.365 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN; Drive Type: CROSS RECESS; Material Accommodated Thickness: 0.171 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Diameter: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN. 12 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.