The Bolt,machine, cataloged under National Stock Number 5306-00-106-0789, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-106-0789 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES HEAD |
| Surface Finish | 63.0 MICROINCHES THREADS |
| Head Height | 0.641 INCHES NOMINAL IN |
| Fastener Length | 6.270 INCHES NOMINAL IN |
| Thread Length | 1.870 INCHES MINIMUM IN |
| Material Document and Classification | MIL-S-8699 MIL SPEC SINGLE MATERIAL RESPONSE OR BMS-7-27,FSC-81205 MFR REF SINGLE MATERIAL RESPONSE OR SPS-M-107,FSCM 80539 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | CROWNED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.400 INCHES NOMINAL IN |
| Width Between Flats | 1.802 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 66-12063-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-106-0789 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-106-0789: Surface Finish: 125.0 MICROINCHES HEAD; Surface Finish: 63.0 MICROINCHES THREADS; Head Height: 0.641 INCHES NOMINAL IN; Fastener Length: 6.270 INCHES NOMINAL IN. 17 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.