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 6105-01-645-8654
NSN 5965-00-246-5612
NSN 5910-00-276-8592
NSN 2925-01-328-0144
NSN 6320-01-162-5977
NSN 6105-01-241-3913
NSN 6620-00-373-9099
NSN 5835-00-632-8621
NSN 6150-01-457-4571
NSN 6685-01-426-8929
NSN 5998-00-516-2576
NSN 6620-01-607-5738