Aeronautical Standard Group Inc. - Bolt, Machine - AN6-54A
Description: Bolt, Machine
Part Number: AN6-54A
Product Overview:
Hex head aircraft bolts are made of high-strength type 4037 or 8740 alloy steel (type 8740 is most commonly used). The bolts are center-less ground and threaded after heat treatment. Minimum tensile strength 125,000 PSI. Cadmium plated per specification QQ-P-416A, Type II, Class 3. Available with shank drilled for cotter pin or undrilled for stop nut application, and with or without drilled head for safety wire. Specify bolts to have undrilled shank by adding letter "A" after the dash number. For bolts with drilled head add letter "H" after the AN number.
Specification:
| Thread Class | : | 3A | |
| Thread Direction | : | Right-hand | |
| Thread Length | : | 0.640" Inches Minimum | |
| Thread Series Designator | : | UNF | |
| Thread Quantity Per Inch | : | 24 | |
| Width Between Flats | : | 0.53" Inches minimum and 0.565" Inches maximum | |
| Surface Treatment | : | Cadmium overall and chromate overall | |
| Surface Treatment Document and Classification | : | QQ-P-416, TY 2, CL 3 fed spec single treatment response overall | |
| Nominal Thread Diameter | : | 0.375" Inches | |
| Minimum Tensile Strength | : | 125000 pounds per square inch | |
| Material | : | 8630 Overall or steel comp 8735 overall or steel comp 8740 overall or steel comp 4140 overall | |
| Material Document and Classification | : | MIL-B-6812 mil spec all material responses overall | |
| Head Style | : | Hexagon | |
| Head Height | : | 0.203" Inches minimum and 0.235" inches maximum | |
| Hardness Rating | : | 26.0 Rockwell C minimum overall and 32.0 Rockwell C maximum overall | |
| Grip Length | : | 4.938" Inches nominal | |
| Fastener Length | : | 5.578" Inches nominal |
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