The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-314-3129, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-314-3129 |
| Primary Part Number | CA-1828XB |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Drive Type | KNURLED |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.295 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN |
| Stud Head Height | 0.425 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | KNURLED |
| Stud Shank Major Diameter | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Material | STEEL COMP 303SE OVERALL |
| Stud Thread Size and Series/type Designator | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 0.360 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 |
|---|---|
| CA-1828XB PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5325-01-314-3129 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-314-3129 has 1 manufacturer part number on file: CA-1828XB (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA-1828XB: Drive Type: KNURLED; Turnlock Stud Shank Style: STUD SHANK; Extension Length: 0.125 INCHES NOMINAL IN; Material Document and Classification: AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.