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 6610-01-384-7949
NSN 5905-00-228-6489
NSN 5910-01-439-8471
NSN 6220-01-634-0660
NSN 6650-01-587-2243
NSN 5996-01-323-6008
NSN 5895-01-355-7806
NSN 5990-01-644-1441
NSN 7035-01-608-3619
NSN 5945-00-499-7237
NSN 5915-01-470-7738
NSN 5999-01-611-1130