2510-00-374-9439 SPRING,LEAF Index 5330-00-374-9444 SEAL,PLAIN

National Stock Number:
2805-00-374-9443

Federal Supply Class:
2805

National Item Identification Number:
003749443

Description:
TAPPET,ENGINE POPPET VALVE

Detail:
A CYLINDRICALLY SHAPED METAL ITEM DESIGNED TO TRANSMIT INTERMITTENT MOTION FROM THE CAM LOBE ON A SHAFT OR CAM RING, TO THE ENGINE POPPET VALVE. IT MAY BE MECHANICALLY OR HYDRAULICALLY OPERATING, AND MAY INCLUDE ADJUSTING DEVICES.


Manufacturer Information:
75524R392679NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/
I18-1856B71772STANADYNE/CHICAGO DIV


Techincal Specification:
ADJUSTABILITYNONADJUSTABLE
BODY HOLE DIAMETER0.250 INCHES NOMINAL
CAM END DIAMETER0.996 INCHES MINIMUM AND 0.997 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
CONCENTRIC HOLE DEPTH1.709 INCHES MINIMUM AND 1.791 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
COUNTERBORE DEPTH1.496 INCHES MINIMUM AND 1.526 INCHES MAXIMUM
COUNTERBORE DIAMETER0.843 INCHES NOMINAL
DISTANCE FROM BODY HOLE CENTER TO CAM END0.625 INCHES NOMINAL
OPERATION METHODMECHANICAL
OVERALL LENGTH2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM
MATERIALIRON CAST OVERALL
METALLIC HARDNESS RATING AND LOCATION52.0 ROCKWELL C MINIMUM FACE
SIZE DESIGNATIONSTANDARD
STYLE DESIGNATORCOUNTERBORED PUSH ROD END


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