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 6220-00-028-3964
NSN 6220-01-168-7773
NSN 5925-01-145-7772
NSN 5998-01-105-8468
NSN 5835-01-482-1591
NSN 6610-00-667-6832
NSN 6145-00-165-3869
NSN 5999-01-451-7019
NSN 6130-00-151-5001
NSN 5895-01-021-8671
NSN 6110-01-214-3940
NSN 6150-01-031-6740