The Bolt,machine, cataloged under National Stock Number 5306-00-028-4019, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-028-4019 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 3.031 INCHES MINIMUM AND 3.047 INCHES MAXIMUM IN |
| Thread Length | 0.531 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.062 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.875 INCHES MINIMUM AND 2.891 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| 111904-12-301 | 3/2 Design control — primary reference U.S. Government activity |
| 111904-12-301 | 5/9 Secondary reference The Boeing Company |
NSN 5306-00-028-4019 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-028-4019: Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 3.031 INCHES MINIMUM AND 3.047 INCHES MAXIMUM IN; Thread Length: 0.531 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.141 INCHES NOMINAL FIRST HOLE IN. 16 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.