The Bolt,machine, cataloged under National Stock Number 5306-01-330-1728, 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19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-330-1728 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.090 INCHES MINIMUM IN |
| Head Height | 0.383 INCHES NOMINAL IN |
| Fastener Length | 0.938 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.562 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Thread Length | 0.830 INCHES MINIMUM IN |
| Hole Configuration Style | DOUBLE HEXAGON FLATS |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 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 |
|---|---|
| MS9717-09 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-330-1728 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-330-1728: Extended Washer Thickness: 0.090 INCHES MINIMUM IN; Head Height: 0.383 INCHES NOMINAL IN; Fastener Length: 0.938 INCHES NOMINAL IN; Extended Washer Diameter: 0.562 INCHES NOMINAL IN. 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.