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.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6105-00-221-5049
NSN 6685-01-061-8668
NSN 5945-00-989-5314
NSN 5855-01-260-7445
NSN 5930-01-329-1740
NSN 5985-00-782-0423
NSN 5915-01-363-4600
NSN 5930-00-404-2399
NSN 5930-01-023-1571
NSN 5996-01-206-1329
NSN 5999-01-057-1642
NSN 5855-01-093-3080