The Bolt,machine, cataloged under National Stock Number 5306-01-391-7019, 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19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-391-7019 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Fastener Length | 1.531 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.703 INCHES NOMINAL IN |
| Hole Configuration Style | HEXAGON FLATS |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Width Between Flats | 0.679 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN |
| Grip Diameter | 0.672 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL OVERALL |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.188 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 |
|---|---|
| MS20074-07-14 | 2/2 Government specification standardization U.S. Government activity |
NSN 5306-01-391-7019 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-391-7019: Head Height: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN; Fastener Length: 1.531 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.703 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.