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 6150-00-751-9173
NSN 4140-00-914-7949
NSN 5895-01-542-6841
NSN 6685-01-569-7682
NSN 5999-01-323-4992
NSN 5990-01-251-2296
NSN 5975-00-149-0758
NSN 6320-01-390-5385
NSN 6620-01-324-7809
NSN 6620-01-626-9062
NSN 5999-01-408-5979
NSN 6130-00-574-3878