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 5975-00-279-3972
NSN 5920-01-455-1074
NSN 5990-01-633-9503
NSN 5990-01-561-0737
NSN 6220-01-480-4000
NSN 5925-00-238-3072
NSN 6650-01-462-5879
NSN 6685-00-055-3816
NSN 6320-01-292-2232
NSN 5998-01-322-8328
NSN 6110-00-431-4388
NSN 5835-00-315-3797