The Stud,ball, cataloged under National Stock Number 5307-01-406-8039, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-406-8039 |
| Item Name | Stud,ball |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | BALL |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Surface Treatment | PASSIVATE OVERALL |
| Distance From Spherical Head Centerline to Head End | 0.2498 INCHES NOMINAL IN |
| Neck Diameter | 0.190 INCHES NOMINAL IN |
| Distance Across Flats | 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| Head Diameter | 0.4994 INCHES MINIMUM AND 0.4998 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 |
| Reference | Meaning |
|---|---|
| 5100097 | 5/2 Secondary reference U.S. Government activity |
| G5306LLBFHD180 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-406-8039 is a Stud,ball, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-406-8039: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: BALL; Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 1.2073 INCHES NOMINAL IN. 10 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.