The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-141-4507, 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 25 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 | 5306-00-141-4507 |
| Primary Part Number | AN173-21A |
| 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 |
| Thread Class | 3A A |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Grip Length | 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.000 INCHES MINIMUM AND 2.032 INCHES MAXIMUM FIRST HOLE IN |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Style | HEXAGON |
| Hole Diameter | 0.046 INCHES NOMINAL IN |
| Grip Diameter | 0.1889 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN |
| Head Height | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN |
| Thread Series Designator | UNF |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Hole Configuration Style | HEXAGON FLATS |
| Thread Quantity Per Inch | 32 |
| 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 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Width Between Flats | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Thread Length | 0.374 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Hole Quantity | 1 |
| Hole Type | DRILLED |
| Fastener Length | 2.140 INCHES MINIMUM AND 2.187 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-051-2338 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AN173-21A | 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 |
| AN173H21A | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
NSN 5306-00-141-4507 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 5306-00-141-4507 has 3 cross-referenced part numbers: AN173-21A (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), AN173H21A (Aeronautical Standards Group Dept of Navy and Air Force).
There are 12 known substitutes for 5306-00-141-4507: 5306-00-182-1769, 5306-00-051-2338, 5306-00-051-2343 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AN173-21A: Thread Class: 3A A; Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-141-4507 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.