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 7035-00-800-0770
NSN 6610-00-142-9678
NSN 5930-01-264-2892
NSN 5998-01-051-0913
NSN 4140-00-699-0904
NSN 6685-00-220-2892
NSN 5910-01-548-2168
NSN 5855-01-105-7793
NSN 5990-01-561-0737
NSN 6240-01-297-2506
NSN 6145-01-147-1337
NSN 6320-01-245-5307