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 4140-01-089-9088
NSN 6650-01-284-4364
NSN 2925-00-420-8151
NSN 5920-00-555-1877
NSN 5996-01-266-8706
NSN 6130-01-634-0603
NSN 6320-00-519-0770
NSN 6240-00-218-1480
NSN 5910-01-462-1205
NSN 6150-00-124-5910
NSN 5945-01-443-1517
NSN 6620-00-190-8109