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 6240-00-389-4822
NSN 6220-01-634-0660
NSN 5925-00-853-1995
NSN 6220-01-290-5153
NSN 5975-00-317-3770
NSN 6105-01-150-6751
NSN 5960-01-498-9427
NSN 6685-00-537-0256
NSN 6145-01-437-9078
NSN 5835-01-532-9373
NSN 6150-00-008-3812
NSN 6105-01-106-4649