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 6240-01-605-4455
NSN 5965-00-246-4767
NSN 5999-00-423-8142
NSN 5920-00-518-1847
NSN 6320-01-631-7828
NSN 5920-00-177-2738
NSN 6610-01-265-1824
NSN 5990-00-970-2171
NSN 6610-00-069-8683
NSN 5895-00-594-8819
NSN 5855-01-620-4801
NSN 5915-00-010-8121