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 5996-01-605-3377
NSN 6320-01-512-2031
NSN 6150-01-104-1041
NSN 5905-01-391-8009
NSN 6220-01-083-4580
NSN 5930-00-336-9401
NSN 4140-01-269-7104
NSN 5855-00-436-3852
NSN 6620-00-791-0763
NSN 7035-01-615-3369
NSN 5990-00-351-5479
NSN 5895-00-966-2784