4820-00-849-8795 VALVE,CHECK Index 5120-00-849-8797 PIN,GUIDE

National Stock Number:
5306-00-849-8796

Federal Supply Class:
5306

National Item Identification Number:
008498796

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:
686309173342ALLISON TRANSMISSION INC
CU11217K0680ROLLS-ROYCE AIRLINES


Techincal Specification:
FASTENER LENGTH0.850 INCHES NOMINAL
HEAD HEIGHT0.150 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH260000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESTHREADED IN TWO PLACES; ONE 0.300 IN. LONG,OTHER 0.100 IN. LONG,UNTHREADED PART OF BOLT DIA. MIN. 0.190 IN. AND 0.195 IN. MAX.; THREADED SEGMENT BROKEN BY RELIEVED AREA,0.350 IN. LONG AND 0.190 IN. TO 0.195 IN. DIA.
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.587 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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