The Bolt,machine, cataloged under National Stock Number 5306-01-700-5310, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-700-5310 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.281 INCHES NOMINAL IN |
| Fastener Length | 3.921 INCHES MINIMUM AND 3.968 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2700,METHOD 1,CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 3.921 INCHES MINIMUM AND 3.968 INCHES MAXIMUM IN |
| Hole Configuration Style | HEXAGON CORNERS |
| Material Document and Classification | AMS 5731,5732,5737 OR 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS563 THRU NAS572 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 0.552 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 30 |
| Material | IRON ALLOY 660 OVERALL |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM 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 |
|---|---|
| NAS566C127 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-700-5310 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-700-5310: Head Height: 0.281 INCHES NOMINAL IN; Fastener Length: 3.921 INCHES MINIMUM AND 3.968 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2700,METHOD 1,CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 3.921 INCHES MINIMUM AND 3.968 INCHES MAXIMUM IN. 20 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.