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 5935-01-089-5005
NSN 6110-01-467-9074
NSN 5965-00-560-5804
NSN 5950-01-433-2147
NSN 5999-00-860-0590
NSN 6145-01-171-4011
NSN 5895-01-046-0883
NSN 5925-01-152-6988
NSN 5975-00-148-7162
NSN 5950-00-028-3512
NSN 6320-01-378-6191
NSN 6110-01-218-0689