2805-00-678-3187 PARTS KIT,GASOLINE ENGINE Index 2805-00-678-3189 PISTON,INTERNAL COMBUSTION ENGIN

National Stock Number:
2805-00-678-3188

Federal Supply Class:
2805

National Item Identification Number:
006783188

Description:
PISTON,INTERNAL COMBUSTION ENGIN


Manufacturer Information:
570222619207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP1.858 INCHES MINIMUM AND 1.862 INCHES MAXIMUM
CARBON GROOVENOT INCLUDED
CUT DEPTH0.940 INCHES NOMINAL
DIAMETER3.893 INCHES MINIMUM AND 3.895 INCHES MAXIMUM
DISTANCE BETWEEN PIN BOSSES3.180 INCHES NOMINAL
FINISHED SIZE DESIGNATIONOVERSIZE
HEAD STYLEFLAT
OVERALL HEIGHT3.860 INCHES NOMINAL
OVERSIZE0.020 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-596, COMP A132, T-551 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY A332.0
OIL GROOVENOT INCLUDED
PIN HOLE BUSHINGNOT INCLUDED
PINHOLE DIAMETER0.9120 INCHES NOMINAL
PININCLUDED
PIN TYPE FOR WHICH DESIGNEDFLOATING
RETAINING RING GROOVEINCLUDED
RING GROOVE DIAMETER3.434 INCHES MINIMUM AND 3.444 INCHES MAXIMUM 1ST RING
RING GROOVE DIAMETER3.447 INCHES MINIMUM AND 3.457 INCHES MAXIMUM 2ND RING
RINGNOT INCLUDED
RING GROOVE QUANTITY3
RING GROOVE WIDTH0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM 1ST RING
RING GROOVE WIDTH0.0955 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM 2ND RING
RING GROOVE WIDTH0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM 3RD RING
SKIRT BOTTOM CUTAWAY FEATUREINCLUDED
SKIRT SLOT STYLEGROOVE CONVEX SLOT
SKIRT TYPESOLID
WEIGHT23.6 OUNCES
SURFACE FINISHFINISHED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2409 ASSN STD SINGLE TREATMENT RESPONSE
SURFACE TREATMENTTIN


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