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 4140-01-026-9293
NSN 6620-01-129-7247
NSN 5965-01-367-2595
NSN 6220-01-508-6807
NSN 6150-01-553-6882
NSN 5999-01-347-1009
NSN 6240-01-419-8439
NSN 5990-01-146-1779
NSN 5990-00-576-4882
NSN 5965-01-560-0056
NSN 5998-00-230-3663
NSN 5985-00-661-1457