The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-266-3976, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-266-3976 |
| Primary Part Number | 12337637-32 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Turnlock Stud Shank Style | STUD SHANK |
| Stud Shank Major Diameter | 0.625 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Grip Length | 0.560 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 |
|---|---|
| 12337637-32 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 101-102-161 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-266-3976 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 5325-01-266-3976 has 1 manufacturer part number on file: 12337637-32 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12337637-32: Turnlock Stud Shank Style: STUD SHANK; Stud Shank Major Diameter: 0.625 INCHES NOMINAL IN; Special Features: ITEM IS HEADLESS AND HAS ALUMINUM FLUX BALL AT OPPOSITE END; Material: STEEL OVERALL. 4 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.