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 6145-00-188-3657
NSN 6105-01-056-1314
NSN 5950-01-307-6284
NSN 5935-01-406-4221
NSN 5998-01-190-9345
NSN 5925-01-123-7852
NSN 5985-01-438-2713
NSN 6610-01-352-5500
NSN 6150-00-156-6080
NSN 5950-00-955-7969
NSN 5855-01-029-8733
NSN 5960-01-578-5537