The Bolt,machine, cataloged under National Stock Number 5306-00-592-7988, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-592-7988 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Fastener Length | 1.938 INCHES MINIMUM AND 1.968 INCHES MAXIMUM IN |
| Thread Length | 0.373 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.107 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.690 INCHES NOMINAL IN |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 440A OVERALL A |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.829 INCHES NOMINAL 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 |
|---|---|
| 36-3918-501 | 5/2 Secondary reference U.S. Government activity |
| 36-3918-501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-592-7988 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-592-7988: Head Height: 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; Fastener Length: 1.938 INCHES MINIMUM AND 1.968 INCHES MAXIMUM IN; Thread Length: 0.373 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.107 INCHES NOMINAL FIRST HOLE IN. 15 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.