The Stud,recessed and Stepped, cataloged under National Stock Number 5307-00-703-4743, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-703-4743 |
| Primary Part Number | 7034743 |
| Item Name | Stud,recessed and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Length | 0.520 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.720 INCHES NOMINAL STUD THREAD IN |
| Hardness Rating | 264.0 BRINELL HULTGREN MINIMUM AND 301.0 BRINELL HULTGREN MAXIMUM |
| Style Designator | RECESSED AND STEPPED |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| Diameter of Recessed Portion of Shank | 0.224 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| 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 |
| Length of Recessed Portion of Shank | 0.740 INCHES NOMINAL IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL COMP 4140 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 7034743 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| GAA6281C | 5/9 Secondary reference Ford Motor Company |
| GAA6281C | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
NSN 5307-00-703-4743 is a Stud,recessed and Stepped, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-703-4743 has 1 manufacturer part number on file: 7034743 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7034743: Thread Length: 0.520 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.720 INCHES NOMINAL STUD THREAD IN; Hardness Rating: 264.0 BRINELL HULTGREN MINIMUM AND 301.0 BRINELL HULTGREN MAXIMUM; Style Designator: RECESSED 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.