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 5945-00-590-2792
NSN 6220-00-396-0039
NSN 6685-00-248-9125
NSN 6105-00-123-3018
NSN 5895-01-634-0630
NSN 5905-01-315-6322
NSN 5910-01-023-7265
NSN 6240-00-905-5680
NSN 7035-01-063-0453
NSN 5910-01-071-0682
NSN 5990-01-553-6859
NSN 5915-01-355-5111