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


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