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 5895-01-003-9424
NSN 5985-01-430-5504
NSN 5915-01-263-1148
NSN 6620-01-395-5214
NSN 5950-01-272-8940
NSN 5920-01-548-1703
NSN 5835-00-275-0584
NSN 5996-01-039-8581
NSN 6105-01-093-4770
NSN 5920-01-432-1328
NSN 5935-00-394-9903
NSN 5998-00-367-2691