The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-475-2660, 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 Tridair Products. Government technical data includes 14 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 | 5325-01-475-2660 |
| Primary Part Number | CA18161-1BHS |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | SLOTTED OR SOCKET |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Material Document and Classification | ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| Securing Device Type | RING |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.2470 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Minor Diameter | 0.221 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OVERALL |
| Stud Thread Size and Series/type Designator | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 0.150 INCHES MINIMUM AND 0.220 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 |
|---|---|
| CA18161-1BHS PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5325-01-475-2660 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-475-2660 has 1 manufacturer part number on file: CA18161-1BHS (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA18161-1BHS: Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: SLOTTED OR SOCKET; Turnlock Stud Shank Style: STUD SHANK; Extension Length: 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN. 14 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.