5305-01-521-4553 SETSCREW Index 5306-01-521-4555 BOLT,MACHINE

National Stock Number:
5306-01-521-4554

Federal Supply Class:
5306

National Item Identification Number:
015214554

Description:
BOLT,MACHINE

Detail:
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.


Manufacturer Information:
1300168419200US ARMY ARDEC RDECOM


Techincal Specification:
COLORBLACK OVERALL
FASTENER LENGTH2.600 INCHES NOMINAL
HEAD HEIGHT0.185 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSOCKET HEX CAP BOLT
WIDTH BETWEEN FLATS0.490 INCHES NOMINAL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.540 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24


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