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 6130-01-603-2735
NSN 5835-00-050-4330
NSN 6145-01-406-5051
NSN 5999-00-171-8858
NSN 6240-00-021-1296
NSN 6150-01-169-9571
NSN 5935-00-285-2767
NSN 5965-00-785-5100
NSN 5935-01-415-3648
NSN 5990-01-480-9938
NSN 5855-00-560-0110
NSN 5975-01-416-9385