5306-00-687-7388 BOLT,EXTERNALLY RELIEVED BODY Index 5307-00-687-7397 STUD,PLAIN

National Stock Number:
5306-00-687-7391

Federal Supply Class:
5306

National Item Identification Number:
006877391

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:
36776306725SPS TECHNOLOGIES, LLC
36776356878SPS TECHNOLOGIES, LLC
36776377445RTX CORPORATION
36776392215HOWMET GLOBAL FASTENING SYSTEMS INC
36776393907TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.750 INCHES NOMINAL FIRST HOLE
EXTENDED WASHER DIAMETER0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.065 INCHES NOMINAL
FASTENER LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.330 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 601 OVERALL
MINIMUM TENSILE STRENGTH142000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER0.069 INCHES NOMINAL FIRST HOLE
WIDTH BETWEEN FLATS0.309 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTNICKEL AND CADMIUM OVERALL
THREAD CLASS1A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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