Machine Bolt - MS20074-06-06
Military Standard Part
Description: Drilled Head Machine Bolt, 3/8-16, UNC Thread Length L Thread
Part number: MS20074-06-06
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 nominal 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.
Product Specification:
| Thread Class | : | 3A | |
| Thread Direction | : | Right-Hand | |
| Thread Length | : | Between 0.640 inches and 0.719 inches | |
| Fastener Length | : | Between 0.781 inches and 0.828 inches | |
| Head Style | : | Hexagon | |
| Head Height | : | Between 0.266 inches and 0.297 inches | |
| Width Between Flats | : | Between 0.554 inches and 0.564 inches | |
| Hole Diameter | : | 0.070 inches | |
| Thread Diameter | : | 0.375 inches | |
| Grip Length | : | Between 0.109 inches and 0.141 inches | |
| Hole Quantity | : | 6 | |
| Hole Type | : | Drilled | |
| Features Provided | : | Finished head | |
| Thready Qty Per Inch (tpi) | : | 16 | |
| Min. Tensile Strength (psi) | : | 125000 pounds per square inch | |
| Hardness Rating | : | 26.0 rockwell c and 32.0 rockwell c | |
| Hole Configuration Style | : | Hexagon longitudinal hole | |
| Material | : | Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 | |
| Material Specification | : | Mil-s-5626 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6050 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response or ams 6300 assn standard 6th material response | |
| Surface Treatment | : | Cadmium and chromate | |
| Surface Treatment Specification | : | Qq-p-416, type 2 cl 3 federal specification single treatment response | |
| Thread Series Designator | : | UNC |
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