The Stud,plain, cataloged under National Stock Number 5307-00-678-4783, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-678-4783 |
| Primary Part Number | 921402 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.560 INCHES MINIMUM NUT THREAD IN |
| Thread Length | 0.380 INCHES MINIMUM STUD THREAD IN |
| Hardness Rating | 35.0 ROCKWELL C NOMINAL |
| Thread Pitch Diameters | +0.2200 TO 0.2220 INCHES STUD THREAD IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNS 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 |
|---|---|
| 7045696 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 921402 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 2990006784783 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5307-00-678-4783 is a Stud,plain, manufactured by General Motors Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-678-4783 has 2 manufacturer part numbers on file: 7045696 (U S Army Tank Automotive Command Amsta-Im-Mm), 921402 (General Motors Corp).
3 possible matches (shared part number, not a government interchangeability claim): 4730-00-822-5609, 4730-00-917-4794, 6130-01-445-3609. Verify interchangeability with system specifications before substitution.
Key specifications for 921402: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.560 INCHES MINIMUM NUT THREAD IN; Thread Length: 0.380 INCHES MINIMUM STUD THREAD IN; Hardness Rating: 35.0 ROCKWELL C NOMINAL. 16 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.