5310-00-078-3420 NUT,PLAIN,HEXAGON Index 5306-00-078-3422 BOLT,MACHINE

National Stock Number:
5306-00-078-3421

Federal Supply Class:
5306

National Item Identification Number:
000783421

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:
AN12H34A0E0Z8AEROSPACE MANUFACTURING CORPORATION
AN12H34A88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH3.656 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH1.093 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.390 INCHES MINIMUM AND
0.422 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.053 INCHES MINIMUM AND
1.066 INCHES MAXIMUM
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE TYPEDRILLED
HOLE QUANTITY1
HOLE DIAMETER0.062 INCHES NOMINAL
GRIP LENGTH2.563 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN12H34A


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