5306-01-455-1401, BOLT,MACHINE

National Stock Number:
5306-01-455-1401

Federal Supply Class:
5306

National Item Identification Number:
014551401

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.

Techincal Specification:

FASTENER LENGTH	1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
HEAD HEIGHT	0.203 INCHES NOMINAL
HEAD STYLE	CROWNED HEXAGON
HOLE DIAMETER	0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE QUANTITY	1
HOLE TYPE	DRILLED
MATERIAL	STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 4037 OR STEEL COMP 4130 OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
SPECIFICATION/STANDARD DATA	80205-NAS428 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPECIAL FEATURES	SLOT LOCATED AT THREAD END
WIDTH BETWEEN FLATS	0.553 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.037 INCHES MINIMUM AND 1.070 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNJF

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