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 5915-01-561-8253
NSN 2925-01-242-2309
NSN 6130-00-619-2113
NSN 5835-01-362-8367
NSN 6320-00-831-2227
NSN 6105-01-350-6973
NSN 5965-00-132-0229
NSN 5835-01-301-0022
NSN 5999-01-260-8580
NSN 6240-01-359-2721
NSN 2925-01-604-8984
NSN 5945-00-963-1635