The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-035-7663, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-035-7663 |
| Primary Part Number | 5S7-2 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.035 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.299 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Securing Device Type | WASHER |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Grip Length | 0.035 INCHES MINIMUM AND 0.049 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 |
|---|---|
| 5S7-2 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| 413835-2 | 7/1 Vendor item drawing reference U.S. Government activity |
NSN 5325-01-035-7663 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-035-7663 has 1 manufacturer part number on file: 5S7-2 (Howmet Global Fastening Systems Inc Div Camloc Products).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-321-5484. Verify interchangeability with system specifications before substitution.
Key specifications for 5S7-2: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: CROSS RECESS; Material Accommodated Thickness: 0.035 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 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.