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 6110-01-275-9653
NSN 5930-01-564-6647
NSN 5910-00-462-6644
NSN 5950-01-371-0715
NSN 4140-01-167-5741
NSN 6685-01-110-6563
NSN 4140-01-447-0779
NSN 6240-00-161-8099
NSN 5930-01-074-3068
NSN 5996-01-422-3087
NSN 5999-00-079-1911
NSN 5915-00-851-8862