The Bolt,machine, cataloged under National Stock Number 5306-00-064-0286, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-064-0286 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.593 INCHES NOMINAL IN |
| Thread Length | 0.531 INCHES MINIMUM IN |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | MIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.062 INCHES NOMINAL IN |
| Width Between Flats | 0.438 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 90000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4130 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 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 |
| Reference | Meaning |
|---|---|
| 47-620-218-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-064-0286 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-064-0286: Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 0.593 INCHES NOMINAL IN; Thread Length: 0.531 INCHES MINIMUM IN; Hole Configuration Style: HEXAGON FLATS. 19 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.