The Bolt,machine, cataloged under National Stock Number 5306-00-167-3865, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 5306-00-167-3865 |
| 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 |
| Thread Direction | RIGHT-HAND |
| Head Style | HEXAGON |
| Head Height | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6055 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Series Designator | UNF |
| Thread Class | 3A A |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Features Provided | FINISHED HEAD |
| Thread Length | 0.641 INCHES MINIMUM IN |
| Grip Length | 6.562 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Fastener Length | 7.203 INCHES NOMINAL IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 7.000 INCHES NOMINAL FIRST HOLE IN |
| Thread Quantity Per Inch | 24 |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B6812 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AN6-71 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 400245 | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA) |
NSN 5306-00-167-3865 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 5306-00-167-3865 has 3 cross-referenced part numbers: B6812 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN6-71 (Aeronautical Standards Group Dept of Navy and Air Force), 400245 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company).
There are 12 known substitutes for 5306-00-167-3865: 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: Thread Direction: RIGHT-HAND; Head Style: HEXAGON; Head Height: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN. 20 total characteristics are documented in the Federal Logistics Information System.