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 5945-01-422-4195
NSN 5998-00-220-2463
NSN 5950-01-141-2317
NSN 6645-00-269-8440
NSN 5985-01-579-1056
NSN 5999-01-066-6572
NSN 5965-01-302-5717
NSN 6320-01-355-3998
NSN 5998-00-839-8970
NSN 5950-01-389-7935
NSN 4140-00-566-3896
NSN 5935-00-492-6181