The Bolt,machine, cataloged under National Stock Number 5306-01-706-5740, 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17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-706-5740 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Fastener Length | 1.349 INCHES MINIMUM AND 1.431 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2700, METHOD 1, CLASS 4 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5731 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OR AMS5732 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OR AMS5737 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | CROWNED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS428 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Width Between Flats | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Grip Diameter | 0.1900 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS428C3A10 | 3/2 Design control — primary reference U.S. Government activity |
| NAS428 REV 13 | D/9 Drawing number reference only U.S. Government activity |
NSN 5306-01-706-5740 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-706-5740: Head Height: 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN; Fastener Length: 1.349 INCHES MINIMUM AND 1.431 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2700, METHOD 1, CLASS 4 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM 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.