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 5950-01-474-3749
NSN 5999-00-056-7805
NSN 5945-01-288-2486
NSN 6130-01-300-6156
NSN 4140-00-205-6491
NSN 5895-00-543-1584
NSN 7035-01-589-7132
NSN 5905-01-110-1413
NSN 6685-01-459-5047
NSN 6220-00-296-4101
NSN 4140-01-388-4289
NSN 5905-01-437-8600