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 5985-01-312-0499
NSN 5945-01-419-1177
NSN 6650-01-252-8190
NSN 5915-01-383-1982
NSN 6130-01-238-3857
NSN 6145-01-424-3364
NSN 5920-01-487-8597
NSN 5835-01-279-9508
NSN 5835-01-299-5055
NSN 6685-00-242-6010
NSN 5920-01-551-1295
NSN 5975-00-166-9296