1240-00-499-4247 WINDOW,OPTICAL INSTRUMENT Index 3120-00-499-4254 BEARING,SLEEVE

National Stock Number:
2815-00-499-4248

Federal Supply Class:
2815

National Item Identification Number:
004994248

Description:
PISTON,INTERNAL COMBUSTION ENGIN


Manufacturer Information:
YP58-1S17572STERLING ENGINE CO INC


Techincal Specification:
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP3.133 INCHES NOMINAL
CARBON GROOVENOT INCLUDED
DIAMETER4.500 INCHES NOMINAL
DISTANCE BETWEEN PIN BOSSES1.875 INCHES NOMINAL
FINISHED SIZE DESIGNATIONSTANDARD
HEAD STYLEFLAT
OVERALL HEIGHT6.688 INCHES NOMINAL
OVERSIZE0.020 INCHES NOMINAL
MATERIALSTEEL
OIL GROOVENOT INCLUDED
OIL PASSAGE TYPEHOLE
PIN HOLE BUSHINGNOT INCLUDED
PIN TYPE FOR WHICH DESIGNEDFLOATING
PINHOLE DIAMETER1.5160 INCHES NOMINAL
PININCLUDED
RETAINING RING GROOVEINCLUDED
RING GROOVE WIDTH0.1880 INCHES NOMINAL AND 0.1250 INCHES NOMINAL
RING GROOVE DIAMETER4.125 INCHES NOMINAL
RING GROOVE POSITION BELOW PISTON PINNUMBER 1,NUMBE 2,NUMBER 3,NUMBER 4,NUMBER 5 AND 6 ALL RINGS
RING GROOVE QUANTITY6
RINGNOT INCLUDED
SKIRT BOTTOM CUTAWAY FEATURENOT INCLUDED
SKIRT TYPESOLID
WEIGHT136.0 OUNCES
SURFACE FINISHFINISHED
SURFACE TREATMENTZINC


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