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 5950-01-394-5352
NSN 5855-01-085-5354
NSN 6610-00-837-3012
NSN 6620-00-708-1417
NSN 5945-00-997-1724
NSN 5930-00-281-1311
NSN 5996-01-367-9431
NSN 5835-01-366-5907
NSN 5915-00-445-9340
NSN 5910-00-089-6376
NSN 5930-01-500-5853
NSN 6150-01-043-5202