5306-00-208-1574 BOLT,MACHINE Index 5305-00-208-1582 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-208-1577

Federal Supply Class:
5306

National Item Identification Number:
002081577

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:
A770530AHP5CURTISS-WRIGHT CONTROLS, INC.
A7705378047CAPITOL ENGINE CO INC DBA SALMINI WORLDWIDE


Techincal Specification:
FASTENER LENGTH3.438 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH2.188 INCHES NOMINAL
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.445 INCHES MINIMUM AND 0.493 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL
MINIMUM YIELD STRENGTH100000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.750 INCHES
SPECIAL FEATURESUNDERCUT 1/8 IN. RADIUS,0.658 IN. TO 0.688 IN. DIA BETWEEN THD AND UNTHD PORTIONS OF SHANK
WIDTH BETWEEN FLATS1.125 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNF


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