The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-151-9737, 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 19 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 | 5307-01-151-9737 |
| Primary Part Number | 12315802 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.380 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 1.120 INCHES MINIMUM STUD THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | ASTM-A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM-A331 ASSN STD ALL MATERIAL RESPONSES |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2B STUD THREAD |
| Thread Class | 2B NUT THREAD |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL COMP 4140 OR STEEL COMP 8640 |
| Distance Across Flats | 0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Shoulder Length | 0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT 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 |
|---|---|
| 12315802 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5307-01-151-9737 is a Stud,shouldered and Stepped, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-151-9737 has 1 manufacturer part number on file: 12315802 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12315802: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.380 INCHES NOMINAL NUT THREAD IN; Thread Length: 1.120 INCHES MINIMUM STUD THREAD IN; Style Designator: SHOULDERED AND STEPPED. 19 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.