4720-01-284-2239 HOSE ASSEMBLY,NONMETALLIC Index 2590-01-284-2243 RING,WIPER

National Stock Number:
2815-01-284-2242

Federal Supply Class:
2815

National Item Identification Number:
012842242

Description:
RING,PISTON

Detail:
A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.


Manufacturer Information:
2W804511083CATERPILLAR INC
9L931611083CATERPILLAR INC


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLECONVEX FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLEVERTICAL JOINT
MATERIALANY ACCEPTABLE OVERALL
PROPRIETARY CHARACTERISTICSPACS
OIL PASSAGE TYPE AND QUANTITY12 SLOT BOTTOM
OVERALL WIDTH2.756 MILLIMETERS NOMINAL
RADIAL WALL THICKNESS3.430 MILLIMETERS NOMINAL
RING STYLECONCENTRIC
STANDARD BORE DIAMETER114.3 MILLIMETERS


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