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 6135-01-231-4809
NSN 5975-01-152-2635
NSN 2925-01-203-0493
NSN 5915-01-039-1531
NSN 6650-01-004-0937
NSN 5910-01-347-9156
NSN 5835-01-537-1228
NSN 6220-01-443-7731
NSN 5920-01-395-3848
NSN 5945-00-216-7432
NSN 5998-01-378-6557
NSN 6110-01-515-1751