3120-00-554-2180 BEARING,PLAIN,SPHERICAL Index 2810-00-554-2187 RING,PISTON

National Stock Number:
2810-00-554-2185

Federal Supply Class:
2810

National Item Identification Number:
005542185

Description:
PISTON,INTERNAL COMBUSTION ENGIN


Manufacturer Information:
62719SP2080254TEXTRON LYCOMING INC WILLIAMSPORT PLANT
69958P02080254TEXTRON LYCOMING INC WILLIAMSPORT PLANT


Techincal Specification:
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP1.7225 INCHES NOMINAL
CARBON GROOVENOT INCLUDED
CUT DEPTH0.5475 INCHES NOMINAL
DIAMETER4.8541 INCHES NOMINAL
DISTANCE BETWEEN PIN BOSSES1.750 INCHES NOMINAL
FINISHED SIZE DESIGNATIONOVERSIZE
FSC APPLICATION DATAENGINE,RECIPROCATING,AIRCRAFT
GROOVE TAPER ANGLE7 DEG 26 MIN.,PORM 15 MIN.
HEAD STYLEFLAT
OVERALL HEIGHT3.200 INCHES NOMINAL
OVERSIZE0.020 INCHES NOMINAL
MATERIALALUMINUM
OIL PASSAGE TYPEHOLE
OIL GROOVENOT INCLUDED
PIN HOLE BUSHINGNOT INCLUDED
PINNOT INCLUDED
PIN TYPE FOR WHICH DESIGNEDFLOATING
PINHOLE DIAMETER1.1247 INCHES NOMINAL
RETAINING RING GROOVENOT INCLUDED
RING GROOVE DIAMETER4.395 INCHES NOMINAL 2ND RING
RING GROOVE DIAMETER4.436 INCHES NOMINAL 1ST RING
RING GROOVE QUANTITY3
RING GROOVE WIDTH0.1280 INCHES NOMINAL AND 0.1890 INCHES NOMINAL
RINGNOT INCLUDED
SKIRT BOTTOM CUTAWAY FEATUREINCLUDED
SKIRT TYPESOLID
WEIGHT42.0 OUNCES
SURFACE FINISHFINISHED
SURFACE TREATMENTTIN


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