The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-638-9221, 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 26 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 | 5306-00-638-9221 |
| Primary Part Number | AN176H47 |
| 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 |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Fastener Length | 4.953 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Hole Type | DRILLED |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Material Document and Classification | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | HEXAGON FLATS |
| Grip Length | 4.312 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.750 INCHES NOMINAL FIRST HOLE IN |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Thread Quantity Per Inch | 24 |
| Hole Diameter | 0.070 INCHES NOMINAL IN |
| Grip Diameter | 0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Head Height | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.641 INCHES MINIMUM IN |
| Thread Class | 3A A |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-051-2338 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AN176H47 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| AN176-47 | 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 5306-00-638-9221 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 5306-00-638-9221 has 3 cross-referenced part numbers: AN176H47 (Aeronautical Standards Group Dept of Navy and Air Force), AN176-47 (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 5306-00-638-9221: 5306-00-151-1937, 5306-00-051-2338, 5306-00-051-2343 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AN176H47: Width Between Flats: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN; Fastener Length: 4.953 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN; Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS. 26 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-638-9221 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.