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 5855-01-268-6468
NSN 6105-01-063-7704
NSN 5965-01-180-7070
NSN 6685-00-642-0533
NSN 7035-01-569-0993
NSN 5985-00-189-0953
NSN 6220-00-332-9408
NSN 6620-01-116-3983
NSN 5855-01-373-7538
NSN 4140-01-581-5165
NSN 2925-01-384-4139
NSN 5920-01-543-0800