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 5920-01-263-9590
NSN 5990-01-416-1017
NSN 5905-01-374-2863
NSN 4140-00-185-2993
NSN 5960-01-367-6153
NSN 6610-01-507-9476
NSN 6610-01-547-6872
NSN 5855-01-318-5175
NSN 5835-01-293-6453
NSN 5985-00-827-1061
NSN 6150-01-091-7338
NSN 5930-01-211-6894