The Stud,ball, cataloged under National Stock Number 5307-00-290-8080, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-290-8080 |
| Item Name | Stud,ball |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES NUT THD |
| Surface Finish | 125.0 MICROINCHES WRENCHING FACILITY |
| Surface Finish | 16.0 MICROINCHES BALL END |
| Surface Finish | 63.0 MICROINCHES UNDERCUTS |
| Thread Length | 0.297 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| Style Designator | BALL |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.312 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Surface Treatment | PASSIVATE OVERALL |
| Distance From Spherical Head Centerline to Head End | 0.125 INCHES NOMINAL IN |
| Thread Class | 3A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 24 LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL COMP 630 |
| Neck Diameter | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Distance Across Flats | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Thread Series Designator | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Head Diameter | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2362053 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-290-8080 is a Stud,ball, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-00-290-8080: Surface Finish: 125.0 MICROINCHES NUT THD; Surface Finish: 125.0 MICROINCHES WRENCHING FACILITY; Surface Finish: 16.0 MICROINCHES BALL END; Surface Finish: 63.0 MICROINCHES UNDERCUTS. 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.