2805-00-278-1886 RING,PISTON Index 2805-00-278-1890 RING,PISTON

National Stock Number:
2805-00-278-1888

Federal Supply Class:
2805

National Item Identification Number:
002781888

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:
43149A0101ML14BRINKLEY TECHNOLOGY GROUP LLC
43149A01028265HERCULES ENGINE CO INC


Techincal Specification:
BORE DIAMETER OVERSIZE0.010 INCHES
CROSS-SECTIONAL SHAPE STYLECONVEX FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.1865 INCHES NOMINAL
MATERIALIRON OVERALL
OIL PASSAGE TYPE AND QUANTITY1 GROOVE OUTSIDE PERIPHERY
OIL PASSAGE TYPE AND QUANTITY8 SLOT HORIZONTALLY THROUGH RING
RADIAL WALL THICKNESS0.1640 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM
RING STYLECONCENTRIC
STANDARD BORE DIAMETER4.000 INCHES


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