5305-00-150-9079 SCREW,MACHINE Index 5306-00-150-9081 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-00-150-9080

Federal Supply Class:
5306

National Item Identification Number:
001509080

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:
AN173H588044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.516 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH0.656 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.250 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.046 INCHES NOMINAL
HOLE TYPEDRILLED
HOLE QUANTITY1
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SHANK UNTHREADED HOLE DIAMETER0.070 INCHES NOMINAL FIRST HOLE
WIDTH BETWEEN FLATS0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2,CL3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.406 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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