The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-444-7398, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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 | 5325-01-444-7398 |
| Primary Part Number | 12449026 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 0.562 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.562 INCHES NOMINAL IN |
| Material Document and Classification | ASTMA576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Stud Head Height | 0.244 INCHES NOMINAL IN |
| Shank Neck Length | 0.345 INCHES NOMINAL IN |
| Turnlock Stud Head Style | LOOP ON FLAT FILLISTER |
| Stud Shank Major Diameter | 0.290 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1020 OVERALL |
| Grip Length | 0.500 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 |
|---|---|
| 12449026 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5325-01-444-7398 is a Stud,turnlock Fastener, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-444-7398 has 1 manufacturer part number on file: 12449026 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12449026: Width Across Flats: 0.562 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Extended Washer Diameter: 0.562 INCHES NOMINAL IN; Material Document and Classification: ASTMA576 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.