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 4140-01-207-9567
NSN 5996-01-257-0265
NSN 5999-01-327-6560
NSN 2925-01-097-0903
NSN 6685-00-758-1162
NSN 5925-00-151-9684
NSN 5990-01-340-3575
NSN 5999-01-420-3453
NSN 5895-01-169-1444
NSN 5930-00-882-6984
NSN 5895-00-232-5355
NSN 5999-01-394-4919