The Stud,plain, cataloged under National Stock Number 5307-00-149-5512, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-149-5512 |
| Primary Part Number | 8505222 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Thread Length | 0.500 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 0.500 INCHES MINIMUM NUT THREAD IN |
| Thread Pitch Diameters | +0.2784 TO 0.2804 INCHES STUD THREAD 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 | 0.312 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 18 STUD 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 |
|---|---|
| 8505222 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 8505222 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
NSN 5307-00-149-5512 is a Stud,plain, manufactured by General Motors Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-149-5512 has 1 manufacturer part number on file: 8505222 (General Motors Corp).
Key specifications for 8505222: Thread Length: 0.500 INCHES MINIMUM STUD THREAD IN; Thread Length: 0.500 INCHES MINIMUM NUT THREAD IN; Thread Pitch Diameters: +0.2784 TO 0.2804 INCHES STUD THREAD IN; Overall Length: 1.250 INCHES NOMINAL IN. 14 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.