5306-00-282-3341 BOLT,MACHINE Index 5306-00-282-3349 BOLT,MACHINE

National Stock Number:
5306-00-282-3342

Federal Supply Class:
5306

National Item Identification Number:
002823342

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:
AN10290663005ROLLS-ROYCE CORPORATION
AN10290688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.070 INCHES NOMINAL
HOLE QUANTITY1
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.419 INCHES MINIMUM AND 0.490 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM


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