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 5895-00-518-1593
NSN 6620-01-461-3550
NSN 5999-01-568-9698
NSN 5910-01-560-4230
NSN 5960-01-192-7710
NSN 5920-00-081-3850
NSN 5855-00-237-4088
NSN 5985-01-157-8894
NSN 5905-00-165-3284
NSN 6145-01-427-9844
NSN 5905-00-924-3608
NSN 5945-01-063-7495