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 6130-01-442-0941
NSN 6105-00-830-4731
NSN 5950-01-551-2757
NSN 5945-01-478-0127
NSN 6240-00-292-3237
NSN 6220-01-658-4536
NSN 5920-01-299-1932
NSN 5925-01-526-6181
NSN 6620-01-412-0938
NSN 6145-01-475-1106
NSN 5925-01-204-9441
NSN 5920-00-881-6584