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 6320-01-262-8642
NSN 5910-00-104-7260
NSN 5915-00-996-1018
NSN 5965-01-485-9539
NSN 5835-01-177-1092
NSN 6220-00-415-5405
NSN 5920-01-154-7363
NSN 5945-01-453-4883
NSN 5855-01-020-7982
NSN 6110-01-508-4312
NSN 6105-00-060-1731
NSN 5965-00-275-0491