The Stud,recessed and Stepped, cataloged under National Stock Number 5307-00-678-1422, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-678-1422 |
| Primary Part Number | 8754413 |
| Item Name | Stud,recessed 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-Z-325 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.620 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.680 INCHES NOMINAL STUD THREAD IN |
| Style Designator | RECESSED AND STEPPED |
| Material Document and Classification | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE |
| Diameter of Recessed Portion of Shank | 0.3042 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.438 INCHES STUD THREAD IN |
| Length of Recessed Portion of Shank | 0.380 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 3A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 14 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Plain Shank Diameter | 0.4258 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM 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 |
|---|---|
| 8754413 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5307006781422 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5307-00-678-1422 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 5307-00-678-1422 has 1 manufacturer part number on file: 8754413 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8754413: Surface Treatment Document and Classification: QQ-Z-325 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.620 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.680 INCHES NOMINAL STUD THREAD IN; Style Designator: RECESSED AND STEPPED. 20 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.