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 6145-00-155-5297
NSN 6320-01-519-8767
NSN 5835-01-155-8301
NSN 6240-01-039-2125
NSN 5950-01-165-8535
NSN 6620-00-303-3271
NSN 6320-00-908-6841
NSN 5996-00-259-0309
NSN 6240-01-414-3873
NSN 6135-00-269-5843
NSN 5965-00-179-7886
NSN 6240-00-435-0433