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 5855-01-067-4129
NSN 6240-00-372-4841
NSN 6620-01-390-9551
NSN 6135-01-370-2599
NSN 6130-00-302-3829
NSN 6610-00-466-3104
NSN 5905-01-580-9888
NSN 6130-00-928-4888
NSN 5920-00-598-0469
NSN 6685-00-365-1780
NSN 5945-00-117-3520
NSN 5930-01-184-1561