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 6685-01-152-1781
NSN 6135-01-171-9299
NSN 2925-01-467-1192
NSN 5925-00-013-9423
NSN 5985-00-161-2723
NSN 5999-00-843-0275
NSN 4140-00-383-5637
NSN 6320-00-681-1324
NSN 5925-01-511-0220
NSN 6220-01-054-9112
NSN 6110-01-566-3973
NSN 6110-01-453-1611