4820-00-166-2035 VALVE,CALIBRATED FLOW Index 5306-00-166-2038 BOLT,MACHINE

National Stock Number:
5306-00-166-2037

Federal Supply Class:
5306

National Item Identification Number:
001662037

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:
125D1440AHP5CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.480 INCHES NOMINAL
MATERIALSTEEL COMP 8740 OR
STEEL COMP 8735 OVERALL
THREAD LENGTH0.420 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6325 ASSN STD 1ST MATERIAL RESPONSE OR
AMS 6320 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND
26.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.125 INCHES NOMINAL
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
SPECIAL FEATURESMAGNETIC INSPECTION REQUIRED


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