5305-00-206-6810 BOLT,MACHINE Index 5305-00-206-6813 BOLT,MACHINE

National Stock Number:
5306-00-206-6811

Federal Supply Class:
5306

National Item Identification Number:
002066811

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:
AN10383488044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.750 INCHES NOMINAL
MATERIALSTEEL COMP 8740 OVERALL
THREAD LENGTH0.750 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND
0.439 INCHES MAXIMUM
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE TYPEDRILLED
HOLE QUANTITY6
HOLE DIAMETER0.070 INCHES NOMINAL
GRIP LENGTH2.000 INCHES NOMINAL
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
63.0 MICROINCHES GRIP
32.0 MICROINCHES THREADS
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN103834


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