The Bolt,machine, cataloged under National Stock Number 5306-00-355-6494, 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16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-355-6494 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.812 INCHES MINIMUM AND 0.876 INCHES MAXIMUM IN |
| Fastener Length | 2.750 INCHES NOMINAL IN |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Document | AS MODIFIED IN REPLIES THD CLASS,AND LG |
| Grip Length | 1.000 INCHES NOMINAL IN |
| Width Between Flats | 1.813 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | B1 TYPE |
| Minimum Yield Strength | 30000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 7 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| D2777MARK8SH4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-355-6494 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-355-6494: Head Height: 0.812 INCHES MINIMUM AND 0.876 INCHES MAXIMUM IN; Fastener Length: 2.750 INCHES NOMINAL IN; Thread Length: 1.750 INCHES MINIMUM IN; Nominal Thread Diameter: 1.250 INCHES 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.