The Stud,ball, cataloged under National Stock Number 5307-01-296-2928, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-296-2928 |
| Primary Part Number | 5003143 |
| Item Name | Stud,ball |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Diameter | 0.496 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES HEAD |
| Surface Finish | 32.0 MICROINCHES UNDERCUTS |
| Surface Treatment Document and Classification | DOD-P-16232 TY Z MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| Style Designator | BALL |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Body Length | 3.089 INCHES MINIMUM AND 3.161 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE ZINC OVERALL |
| Distance From Spherical Head Centerline to Head End | 0.225 INCHES NOMINAL IN |
| Neck Diameter | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| Head Diameter | 0.483 INCHES MINIMUM AND 0.488 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 |
|---|---|
| 5003143 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5307-01-296-2928 is a Stud,ball, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-296-2928 has 1 manufacturer part number on file: 5003143 (Naval Sea Systems Command).
Key specifications for 5003143: Body Diameter: 0.496 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES HEAD; Surface Finish: 32.0 MICROINCHES UNDERCUTS; Surface Treatment Document and Classification: DOD-P-16232 TY Z MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 13 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.