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 6220-00-516-9270
NSN 5925-01-211-8717
NSN 5915-01-604-2947
NSN 6320-01-194-1253
NSN 5905-01-634-0595
NSN 5950-01-033-0890
NSN 5998-01-441-3197
NSN 5945-00-853-3963
NSN 5965-01-603-9506
NSN 5990-00-085-4299
NSN 5930-01-383-7245
NSN 6650-00-382-6080