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 6130-01-449-1178
NSN 6320-01-300-7994
NSN 5855-01-511-4046
NSN 4140-01-268-2429
NSN 5990-01-110-8979
NSN 6130-00-764-5840
NSN 5910-00-109-9263
NSN 5895-01-218-2065
NSN 2925-00-640-8611
NSN 6320-01-461-1390
NSN 4140-01-446-8592
NSN 6130-00-790-0071