The Bolt,machine, cataloged under National Stock Number 5306-00-180-0060, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-180-0060 |
| Primary Part Number | B6812 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Material | STEEL COMP 431 OVERALL |
| Grip Length | 3.547 INCHES MINIMUM AND 3.578 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.859 INCHES MINIMUM AND 3.891 INCHES MAXIMUM FIRST HOLE IN |
| Thread Length | 0.438 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Material Document and Classification | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Series Designator | UNF |
| Fastener Length | 4.016 INCHES MINIMUM AND 4.062 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Features Provided | FINISHED HEAD |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Head Height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5306-00-180-0060 is a Bolt,machine, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-180-0060 has 2 cross-referenced part numbers: B6812 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN4C40 (Aeronautical Standards Group Dept of Navy and Air Force).
There are 12 known substitutes for 5306-00-180-0060: 5306-00-141-4507, 5306-00-151-1062, 5306-00-151-1063 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B6812: Width Between Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Material: STEEL COMP 431 OVERALL; Grip Length: 3.547 INCHES MINIMUM AND 3.578 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN. 18 total characteristics are documented in the Federal Logistics Information System.