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 5855-01-489-5808
NSN 5990-01-490-5614
NSN 2925-01-067-4446
NSN 6645-01-567-2968
NSN 6145-01-429-8529
NSN 5935-01-621-0902
NSN 7035-01-543-0236
NSN 5985-01-212-2950
NSN 5996-01-660-1208
NSN 6130-01-274-9612
NSN 6220-01-304-4921
NSN 5999-00-329-0784