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 5945-00-090-9763
NSN 2925-01-226-6126
NSN 5985-00-841-9412
NSN 5975-01-227-1809
NSN 5915-01-487-0421
NSN 6135-01-516-8171
NSN 5960-01-219-5504
NSN 7035-00-731-8729
NSN 6610-01-602-9619
NSN 5835-00-334-6556
NSN 6110-00-968-8284
NSN 5998-00-462-2380