5905-01-295-0081 RESISTOR,FIXED,WIRE WOUND,NONIND Index 5305-01-295-0083 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-295-0082

Federal Supply Class:
5306

National Item Identification Number:
012950082

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:
MS21250-0608496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
EXTENDED WASHER THICKNESS0.081 INCHES MINIMUM AND 0.101 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM
FASTENER LENGTH5.885 INCHES MINIMUM AND 5.905 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
MATERIALSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.625 INCHES MINIMUM AND 0.665 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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