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 6620-01-528-7510
NSN 6145-01-519-2087
NSN 5996-00-067-3652
NSN 6220-01-509-9470
NSN 6685-00-099-9025
NSN 5930-00-205-8668
NSN 6145-00-889-9764
NSN 5915-00-443-3987
NSN 6130-01-634-0603
NSN 5895-00-615-5319
NSN 2925-00-674-8608
NSN 5965-01-227-9937