Part Number: MS9090-09

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CONDITION:
NS
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE80205
ZF INDUSTRIEANTRIEBE WITTEN GMBHD9182
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.812 INCHES MAXIMUM
FASTENER LENGTH0.812 INCHES NOMINAL
HEAD STYLEHEXAGON
HEAD HEIGHT0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.500 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HOLE DIAMETER0.070 INCHES NOMINAL
NOMINAL THREAD DIAMETER0.312 INCHES
HOLE QUANTITY4
HOLE TYPEDRILLED
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH24
HARDNESS RATING26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES GRIP
MATERIALSTEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNF
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.812 INCHES MAXIMUM
FASTENER LENGTH0.812 INCHES NOMINAL
HEAD STYLEHEXAGON
HEAD HEIGHT0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.500 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HOLE DIAMETER0.070 INCHES NOMINAL
NOMINAL THREAD DIAMETER0.312 INCHES
HOLE QUANTITY4
HOLE TYPEDRILLED
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH24
HARDNESS RATING26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES GRIP
MATERIALSTEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNF
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 .19 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 . 15 inch ( . 38 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.