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 6135-01-136-8306
NSN 6610-01-416-8384
NSN 6110-01-605-2450
NSN 5895-01-265-5147
NSN 5945-01-065-0887
NSN 4140-01-623-2245
NSN 5915-01-411-5355
NSN 5975-00-051-5934
NSN 6220-00-633-8153
NSN 6685-01-032-5241
NSN 5925-01-009-5626
NSN 5915-01-419-2276