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 5998-01-541-9165
NSN 5855-00-610-4052
NSN 6320-01-462-2295
NSN 5915-01-484-8869
NSN 6320-00-403-6003
NSN 5998-01-069-2963
NSN 5998-01-107-1219
NSN 5925-00-135-0208
NSN 6320-00-216-8779
NSN 5925-00-819-3985
NSN 2925-00-099-4030
NSN 6135-01-125-4867