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 5855-01-051-4143
NSN 5960-00-481-6677
NSN 5990-00-254-4825
NSN 6610-01-220-1011
NSN 5835-01-647-6426
NSN 5999-01-037-5593
NSN 5996-01-188-7420
NSN 5930-00-424-3807
NSN 5985-00-778-5164
NSN 5950-01-606-7158
NSN 5998-00-288-0205
NSN 6620-00-728-3445