The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-243-5070, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Fastener Technology Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-243-5070 |
| Primary Part Number | 11438454-4 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Fastener Technology Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | SOCKET |
| Material Accommodated Thickness | 0.438 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A581 ASSN STD ALL MATERIAL RESPONSES OR AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Diameter | 0.360 INCHES MINIMUM IN |
| Securing Device Type | RING |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Stud Thread Size and Series/type Designator | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 0.438 INCHES MINIMUM AND 0.531 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 |
|---|---|
| 11438454-4 PRIMARY | Fastener Technology Corp (USA) |
| 11438454-4 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 11438454-4 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 11438454-4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| 721602-28 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Rmd Strategic |
| 11438454-4 | 5/9 Secondary reference Penn State Tool & Die Corp |
| CA1820-4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5325-00-243-5070 is a Stud,turnlock Fastener, manufactured by Fastener Technology Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-243-5070 has 2 manufacturer part numbers on file: 11438454-4 (Fastener Technology Corp), 11438454-4 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for 11438454-4: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: SOCKET; Material Accommodated Thickness: 0.438 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 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.