5998-01-527-0916 ELECTRONIC COMPONENTS ASSEMBLY Index 5998-01-527-0918 CIRCUIT CARD ASSEMBLY

National Stock Number:
5306-01-527-0917

Federal Supply Class:
5306

National Item Identification Number:
015270917

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:
MS9088-1096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
EXTENDED WASHER DIAMETER0.375 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP DIAMETER0.164 INCHES MINIMUM AND 0.174 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.260 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.060 INCHES NOMINAL
HOLE QUANTITY4
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6332 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH BETWEEN FLATS0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES HEAD
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.625 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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