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Bolt MS20004-30


Length: 2-3/8\", grip: 1-7/8\", thread: 1/4-28, internal wrenching bolt, cadmium plated alloy steel

MS20004-30 Details

National Stock Number (NSN) 5306-00-638-3177
Alternate Part Number N/A
Federal Supply Class (FSC) 5306
Unit of Measure (UOM) 8 /Ea.
Thread Class 3a
Thread Direction Right-hand
Thread Length Between 0.475 inches and 0.525 inches
Fastener Length Between 2.360 inches and 2.390 inches
Head Diameter Between 0.428 inches and 0.438 inches
Head Height 0.250 inches
Internal Drive Style Hexagon
Thread Diameter 0.250 inches
Width Across Flats Between 0.188 inches and 0.190 inches
Thready Qty Per Inch (tpi) 28
Min. Tensile Strength (psi) 160000 pounds per square inch
Hardness Rating 34.0 rockwell c and 40.0 rockwell c
Material Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material Specification Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 class 3 federal specification all treatment responses
Thread Series Designator Unf

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