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 6220-01-157-9062
NSN 5965-01-005-0341
NSN 6685-01-401-5360
NSN 6240-00-297-3919
NSN 6610-01-561-5604
NSN 5895-01-039-6069
NSN 5999-01-232-1983
NSN 6320-01-078-8257
NSN 5895-01-114-9923
NSN 5895-01-411-2869
NSN 5965-00-196-7320
NSN 5855-00-149-0766