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 4140-01-386-8914
NSN 6610-01-633-8931
NSN 5990-00-518-3195
NSN 5985-01-382-0001
NSN 5960-00-995-2554
NSN 5930-00-240-7848
NSN 5965-00-068-4812
NSN 5965-01-560-8572
NSN 6610-01-394-7695
NSN 6130-00-266-7496
NSN 5999-00-481-7536
NSN 5910-01-193-5431