The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-167-3925, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-167-3925 |
| Primary Part Number | AN177-20 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Aeronautical Standards Group Dept of Navy and Air Force |
| Status | CANCELLED |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM FIRST HOLE IN |
| Fastener Length | 2.078 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN |
| Hole Diameter | 0.070 INCHES NOMINAL IN |
| Head Height | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Thread Direction | RIGHT-HAND |
| Hole Type | DRILLED |
| Thread Series Designator | UNF |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | HEXAGON |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Head Length | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Grip Diameter | 0.4362 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN |
| Thread Length | 0.624 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN |
| Hole Configuration Style | HEXAGON FLATS |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Grip Length | 1.422 INCHES MINIMUM AND 1.454 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.116 INCHES MAXIMUM SECOND HOLE IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.906 INCHES MINIMUM AND 1.938 INCHES MAXIMUM FIRST HOLE IN |
| Hole Quantity | 1 |
| Material | STEEL COMP 4130 OR STEEL COMP 8740 OR STEEL COMP 8640 OR STEEL COMP 8735 OR STEEL COMP 4037 OR STEEL COMP 4140 OVERALL |
| Width Between Flats | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-051-2338 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AN177-20 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| AN177H20 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| B6812 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5306-00-167-3925 is a Bolt,close Tolerance, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-167-3925 has 3 cross-referenced part numbers: AN177-20 (Aeronautical Standards Group Dept of Navy and Air Force), AN177H20 (Aeronautical Standards Group Dept of Navy and Air Force), B6812 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5306-00-167-3925: 5306-00-297-0047, 5306-00-051-2338, 5306-00-051-2343 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AN177-20: Shank Unthreaded Hole Diameter: 0.106 INCHES MINIMUM FIRST HOLE IN; Fastener Length: 2.078 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN; Hole Diameter: 0.070 INCHES NOMINAL IN; Head Height: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN. 24 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-167-3925 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.