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 6145-00-993-8811
NSN 5835-00-419-6576
NSN 5990-00-186-2445
NSN 5990-01-286-0601
NSN 5920-00-601-2390
NSN 5905-01-205-3676
NSN 6220-01-481-3827
NSN 6130-01-032-4958
NSN 5945-01-629-5346
NSN 5996-01-480-4559
NSN 5990-01-352-5255
NSN 5975-00-660-5962