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 5950-01-261-0634
NSN 5998-00-278-4481
NSN 6130-00-064-7238
NSN 6220-00-707-5044
NSN 5950-01-623-8543
NSN 5910-00-688-8702
NSN 5975-01-032-1616
NSN 5975-01-322-8515
NSN 5835-01-090-0784
NSN 5835-01-416-6449
NSN 5950-01-056-2238
NSN 5985-00-553-9735