4820-01-162-7143 FLOAT,VALVE Index 4820-01-162-7145 DISK,VALVE

National Stock Number:
3020-01-162-7144

Federal Supply Class:
3020

National Item Identification Number:
011627144

Description:
PULLEY,FLAT

Detail:
A PULLEY WITH A STRAIGHT OR CROWNED FACE. THE ITEM MAY INCLUDE BELT ALIGNING FLANGE(S). EXCLUDES PULLEY, CONE. FOR PULLEYS ENCASED IN A SHELL OR FRAME, SEE BLOCK, TACKLE.


Manufacturer Information:
70250-3400778286SIKORSKY AIRCRAFT CORPORATION
70250-34007-04205722S & L AEROSPACE METALS LLC
70250-34007-04278286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
BEARINGSNOT INCLUDED
BORE DIAMETER0.406 INCHES NOMINAL
BORE LENGTH2.188 INCHES NOMINAL
BORE FEATUREINCLUDED
BORE TYPESTRAIGHT
COUNTERBORE DIAMETER0.874 INCHES NOMINAL
COUNTERBORE FEATUREINCLUDED
COUNTERBORE LOCATIONBOTH ENDS
COUNTERBORE DEPTH0.385 INCHES NOMINAL
CROWN FACENOT INCLUDED
DESIGN FORMWEBBED
FACE WIDTH2.188 INCHES NOMINAL
FLANGE LOCATIONOUTSIDE
FLANGE WIDTH0.093 INCHES NOMINAL
FLANGE QUANTITY2
HUB END OUTSIDE DIAMETER AND LOCATION1.150 INCHES NOMINAL BOTH ENDS
INTEGRAL COOLING VANENOT INCLUDED
KEYING FACILITYNOT INCLUDED
LIGHTENING HOLENOT INCLUDED
OUTSIDE DIAMETER2.030 INCHES NOMINAL
OUTSIDE DIAMETER2.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3, ALLOY 2024, T3511 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
RIM TYPESOLID
SPLIT HUB FEATURENOT INCLUDED
SPECIAL FEATURESSECOND COUNTEBORE ON FIRST END REDUCED TO 0.728 IN. DIA AND 0.055 IN. DEEP
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINENOT OFFSET
STYLE DESIGNATORWEBBED OR SPOKED
SURFACE TREATMENTANODIZE


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