3120-00-377-0636 BEARING,SLEEVE Index 5340-00-377-0639 STRAP,RETAINING

National Stock Number:
5306-00-377-0638

Federal Supply Class:
5306

National Item Identification Number:
003770638

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:
MS9805-040U583SAE INTERNATIONAL
MS9805-0481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9805-0496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.375 INCHES NOMINAL
MATERIALSTEEL COMP 630 OVERALL
THREAD LENGTH0.283 INCHES MINIMUM AND
0.303 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.125 INCHES NOMINAL
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND
0.376 INCHES MAXIMUM
GRIP LENGTH0.072 INCHES MINIMUM AND
0.092 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
32.0 MICROINCHES GRIP
32.0 MICROINCHES THREADS
FEATURES PROVIDEDFINISHED HEAD
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT


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