The Stud,locked in, cataloged under National Stock Number 5307-00-075-7185, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-075-7185 |
| Primary Part Number | 8738089-1 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 2.320 INCHES NOMINAL IN |
| Thread Length | 0.970 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 2.270 INCHES NOMINAL STUD THREAD IN |
| Style Designator | LOCKED IN |
| Distance From Serrated Portion to End of Stud Thread | 1.090 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 1.125 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.750 INCHES NUT THREAD IN |
| Shoulder Diameter | 1.310 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN |
| Distance From Serrated Portion to Stud End | 2.860 INCHES NOMINAL IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Serration Quantity | 45 |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | STEEL COMP 4427 |
| Length From Serrated Portion Through Shoulder | 0.780 INCHES NOMINAL IN |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UN STUD THREAD |
| 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 |
|---|---|
| 8738089-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5307000757185 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5307-00-075-7185 is a Stud,locked in, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-075-7185 has 1 manufacturer part number on file: 8738089-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8738089-1: Distance From Serrated Portion to Nut End: 2.320 INCHES NOMINAL IN; Thread Length: 0.970 INCHES NOMINAL NUT THREAD IN; Thread Length: 2.270 INCHES NOMINAL STUD THREAD IN; Style Designator: LOCKED IN. 22 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.