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 5915-00-368-4564
NSN 5835-00-005-2311
NSN 5975-01-430-8668
NSN 5925-00-369-7747
NSN 6685-01-598-6399
NSN 6240-01-151-2330
NSN 6130-01-461-2954
NSN 6105-01-501-2226
NSN 6150-00-196-0696
NSN 4140-00-933-4024
NSN 5990-00-791-4064
NSN 6145-01-060-8226