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 6240-01-068-3491
NSN 6650-01-560-7812
NSN 6650-01-563-8117
NSN 6105-01-235-8021
NSN 5855-00-494-9581
NSN 6645-01-191-5081
NSN 6110-01-507-2362
NSN 6220-00-349-6064
NSN 5985-01-322-0989
NSN 6650-01-035-9350
NSN 5965-00-125-1318
NSN 4140-00-627-9588