Aeronautical Standard - Machine Bolt - AN5-20A
Standard Part
Description: Machine Bolt
Part Number: AN5-20A
Alternate Part Numbers: 2010516, 5306001512623, 401-359
Product Overview:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
Item Specification:
| Thread Class | 3A | |
| Thread Direction | Right-hand | |
| Thread Length | 0.532 inches minimum | |
| Fastener Length | 2.094 inches nominal | |
| Head Style | Hexagon | |
| Head Height | 0.172 inches minimum and 0.204 inches maximum | |
| Width Between Flats | 0.490 inches minimum and 0.502 inches maximum | |
| Nominal Thread Diameter | 0.312 inches | |
| Grip Length | 1.562 inches nominal | |
| Features Provided | Finished head | |
| Thread Quantity per Inch | 24 | |
| Minimum Tensile Strength | 125000 pounds per square inch | |
| Hardness Rating | 26.0 rockwell C minimum overall and 32.0 rockwell C maximum overall | |
| Material | Steel comp 4037 overall or steel comp 4130 overall or steel comp 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 | |
| Surface Treatment | Cadmium overall and chromate overall | |
| Surface Treatment Document and Classification | QQ-P-416, ty 2, class 3 fed spec all treatment responses overall | |
| Thread Series Designator | UNF |
Fits In:
- · Textron Aviation Hawker 800XP-850XP
- · Textron Aviation Hawker 900XP
Between AirParts' branded hardware products, and our Seller's hardware offerings, we have hundreds of thousands of hardware parts in stock.