5306-01-250-2185 BOLT,MACHINE Index 5306-01-250-2187 BOLT,MACHINE

National Stock Number:
5306-01-250-2186

Federal Supply Class:
5306

National Item Identification Number:
012502186

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:
5306PL09448309009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
942532524617GENERAL MOTORS CORP
942532572582ROLLS-ROYCE SOLUTIONS AMERICA INC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH3.990 INCHES MINIMUM AND
4.000 INCHES MAXIMUM
MATERIALSTEEL COMP 1541 OVERALL
THREAD LENGTH1.500 INCHES NOMINAL
HEAD STYLEDISTORTED HEAD
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429,GRADE 8,UNS G15410 ASSN STD 1ST MATERIAL RESPONSE OR
ASTM A354,GRADE BD,UNS K04100 NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND
39.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.375 INCHES MINIMUM AND
0.390 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.860 INCHES MINIMUM AND
0.875 INCHES MAXIMUM
GRIP LENGTH2.490 INCHES MINIMUM AND
2.500 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
SUPPLEMENTARY FEATURESTYPE AA HEX. LOCK BOLT,UNDERCUT AND SLOTTED HEAD
SPECIFICATION/STANDARD DATA24617-9425325 MANUFACTURERS STANDARD


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