The Stud,ball, cataloged under National Stock Number 5307-00-928-3579, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-928-3579 |
| Primary Part Number | 4779768-3 |
| Item Name | Stud,ball |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Thread Length | 0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Style Designator | BALL |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 1.000 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Surface Treatment | PAINT OVERALL |
| Distance From Spherical Head Centerline to Head End | 0.375 INCHES NOMINAL IN |
| Thread Class | 2A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 14 LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL |
| Neck Diameter | 0.500 INCHES NOMINAL IN |
| Distance Across Flats | 1.250 INCHES NOMINAL IN |
| Thread Series Designator | UNS LOCATION NOT OTHERWISE SPECIFIED |
| Head Diameter | 1.000 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 |
NSN 5307-00-928-3579 is a Stud,ball, manufactured by Kalmar AC Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-928-3579 has 2 manufacturer part numbers on file: 4779768-3 (Kalmar AC Inc), 4779768 (Kalmar AC Inc).
Key specifications for 4779768-3: Thread Length: 0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Style Designator: BALL; Overall Length: 2.250 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED. 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.