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 5835-01-580-0446
NSN 5855-00-247-7219
NSN 6650-01-507-7004
NSN 6320-00-546-9249
NSN 6685-01-446-8855
NSN 6135-01-529-3789
NSN 6650-01-411-6292
NSN 5930-01-618-0586
NSN 5999-01-631-2884
NSN 6650-01-011-0219
NSN 5920-01-013-8594
NSN 5945-00-155-2207