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 6685-01-502-2399
NSN 6620-00-890-3931
NSN 6145-01-004-5090
NSN 6110-01-573-0849
NSN 6135-01-610-2098
NSN 6110-01-417-3652
NSN 6135-01-616-3510
NSN 5945-00-050-0443
NSN 5935-01-590-6418
NSN 6650-01-553-2805
NSN 6685-01-095-1089
NSN 6685-01-492-9853