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 5998-01-605-1712
NSN 5915-01-486-5781
NSN 6135-00-209-6918
NSN 6320-01-064-0372
NSN 6130-01-318-7045
NSN 6650-01-432-1830
NSN 5895-01-308-8623
NSN 2925-01-602-8156
NSN 7035-00-703-3535
NSN 6220-01-211-7888
NSN 6105-01-244-5625
NSN 6105-01-573-8234