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 5990-01-400-3299
NSN 5920-01-293-9921
NSN 5835-01-406-4066
NSN 6105-01-080-5934
NSN 6130-01-211-4193
NSN 5910-00-615-0998
NSN 6110-01-439-0741
NSN 5960-01-354-0762
NSN 6240-01-630-8097
NSN 5950-01-641-7722
NSN 5945-01-441-7736
NSN 6320-01-540-4885