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 5945-01-578-4625
NSN 5935-00-960-4455
NSN 5935-00-851-8679
NSN 6220-01-152-7078
NSN 6620-00-904-2139
NSN 5895-00-450-6930
NSN 5835-01-631-7390
NSN 5915-00-547-9935
NSN 7035-00-371-7749
NSN 5950-00-284-4254
NSN 6650-00-353-4097
NSN 7035-00-981-7216