5306-01-279-9128 BOLT,MACHINE Index 5306-01-279-9131 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-01-279-9129

Federal Supply Class:
5306

National Item Identification Number:
012799129

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:
AN5DD5588044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH5.703 INCHES MINIMUM AND
5.750 INCHES MAXIMUM
MATERIALALUMINUM ALLOY 1100 OVERALL
THREAD LENGTH0.390 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/1 FED SPEC SINGLE MATERIAL RESPONSE OR
QQ-A-430 UNS A91100 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OR
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR
MIL-C-5541,CLASS 1A MIL SPEC 2ND TREATMENT RESPONSE OVERALL
HEAD HEIGHT0.172 INCHES MINIMUM AND
0.204 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.490 INCHES MINIMUM AND
0.502 INCHES MAXIMUM
GRIP LENGTH5.297 INCHES MINIMUM AND
5.328 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER5.656 INCHES MINIMUM AND
5.688 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND
0.086 INCHES MAXIMUM FIRST HOLE
FEATURES PROVIDEDFINISHED HEAD
SPECIFICATION/STANDARD DATA88044-AN5 GOVERNMENT STANDARD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN5DD55


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