5977-00-557-7138 BRUSH,ELECTRICAL CONTACT Index 5895-00-557-7144 AMPLIFIER,ELECTRONIC CONTROL

National Stock Number:
5306-00-557-7140

Federal Supply Class:
5306

National Item Identification Number:
005577140

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:
13219E419197403CECOM LR CENTER


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER4.370 INCHES MINIMUM AND 5.750 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH9.310 INCHES MINIMUM AND 9.500 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH2.310 INCHES MINIMUM AND 2.500 INCHES MAXIMUM
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT1.500 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA322 ASSN STD ALL MATERIAL RESPONSES OR ASTMA331 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 8640 OVERALL
NOMINAL THREAD DIAMETER1.500 INCHES
SHANK UNTHREADED HOLE DIAMETER0.250 INCHES MINIMUM AND 0.256 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS2.620 INCHES MINIMUM AND 2.740 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH7.000 INCHES NOMINAL
THREAD QUANTITY PER INCH6
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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