5306-00-273-6348 BOLT,MACHINE Index 5306-00-273-6356 BOLT,MACHINE

National Stock Number:
5306-00-273-6350

Federal Supply Class:
5306

National Item Identification Number:
002736350

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:
191312516764GENERAL MOTORS CORP DELCO REMY DIV
19131251LW55BORGWARNER PDS (ANDERSON), L.L.C.
191312524617GENERAL MOTORS CORP
19131257X677GENERAL MOTORS LLC


Techincal Specification:
FASTENER LENGTH0.400 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.094 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.062 INCHES NOMINAL
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.363 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.312 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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