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 5996-01-191-8758
NSN 6685-01-479-9120
NSN 5990-00-033-8128
NSN 6650-00-155-8431
NSN 5990-00-755-3015
NSN 5835-00-012-1846
NSN 6110-01-030-2512
NSN 5915-01-426-8862
NSN 6620-00-383-8740
NSN 5855-00-149-0766
NSN 5935-01-337-1320
NSN 6130-01-119-0950