5340-01-073-5044 COVER,ACCESS Index 5306-01-073-5046 BOLT,MACHINE

National Stock Number:
5306-01-073-5045

Federal Supply Class:
5306

National Item Identification Number:
010735045

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:
MS9698-1696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.240 INCHES MINIMUM AND
1.260 INCHES MAXIMUM
MATERIALNICKEL ALLOY OVERALL
THREAD LENGTH0.865 INCHES MINIMUM AND
0.945 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5708 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 HEIGHT0.328 INCHES MINIMUM AND
0.348 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND
0.376 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND
0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND
0.080 INCHES MAXIMUM
GRIP LENGTH0.315 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
32.0 MICROINCHES GRIP
32.0 MICROINCHES THREADS
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS9698-16


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