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Worldwide distributor of NSN parts and consumables located in the USA.

Machine Bolt

Model / MPN: MS9149-20 | NSN: 5306-00-001-9756
ITAR Registered seal

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.

Product Details
NATO Stock Number
5306-00-001-9756
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.000 inches and 1.060 inches
Fastener Length
1.625 inches
Head Style
Double hexagon w/hole
Head Height
0.422 inches
Width Between Flats
Between 0.430 inches and 0.439 inches
Extended Washer Diameter
0.562 inches
Extended Washer Thickness
Between 0.090 inches and 0.100 inches
Thread Diameter
0.375 inches
Grip Length
Between 0.565 inches and 0.625 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Surface Finish
32.0 microinches threads
Surface Finish
63.0 microinches grip
Material
Steel comp 8740
Material Specification
Ams 6322 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Thread Series Designator
Unf

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MS9149-20 Cross Reference