The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-257-9197, 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 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-257-9197 |
| Primary Part Number | 12333024-1 |
| 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,TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TY 2,SC2 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 0.437 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.429 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 |
| Distance Across Flats | 0.500 INCHES NOMINAL IN |
| Shoulder Length | 0.188 INCHES NOMINAL IN |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF 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 |
|---|---|
| 12333024-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12333024 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5307-01-257-9197 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 5307-01-257-9197 has 2 manufacturer part numbers on file: 12333024-1 (U S Army Tank Automotive Command Amsta-Im-Mm), 12333024 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12333024-1: Surface Treatment Document and Classification: QQ-P-416,TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TY 2,SC2 ASSN STD 2ND TREATMENT RESPONSE OVERALL; Thread Length: 0.437 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.429 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED AND STEPPED. 18 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.