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 6135-01-263-4073
NSN 5905-01-160-7546
NSN 5930-01-459-5450
NSN 5915-01-616-6878
NSN 5999-01-437-7235
NSN 5998-00-654-5278
NSN 5998-01-046-1929
NSN 5835-00-174-7763
NSN 6105-00-925-9906
NSN 5910-00-820-8442
NSN 5935-01-134-8366
NSN 5910-00-790-0700