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 5910-00-024-8398
NSN 5945-01-595-6691
NSN 5985-01-599-6868
NSN 6110-01-307-3191
NSN 5950-01-079-1468
NSN 6110-00-688-5043
NSN 5975-00-035-3724
NSN 6620-01-131-6980
NSN 5975-01-463-8661
NSN 4140-01-386-4959
NSN 5935-00-231-3095
NSN 5930-01-441-9400