5306-00-427-7046 BOLT,MACHINE Index 5340-00-427-7050 STRIP

National Stock Number:
5306-00-427-7048

Federal Supply Class:
5306

National Item Identification Number:
004277048

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:
MS9697-070U583SAE INTERNATIONAL
MS9697-0781343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9697-0796906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS9697-07A0170LEONARDO SPA AEROSTRUCTURE DIVISION


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.562 INCHES NOMINAL
MATERIALNICKEL ALLOY OVERALL
THREAD LENGTH0.463 INCHES MINIMUM AND
0.483 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND
44.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH175000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH115000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.303 INCHES NOMINAL
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND
0.313 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND
0.070 INCHES MAXIMUM
GRIP LENGTH0.079 INCHES MINIMUM AND
0.099 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
32.0 MICROINCHES GRIP
32.0 MICROINCHES THREADS
FEATURES PROVIDEDFINISHED HEAD


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