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 5925-01-534-9013
NSN 6645-01-301-5563
NSN 6130-01-252-5797
NSN 5855-01-556-7421
NSN 5990-01-492-6575
NSN 5998-01-518-3625
NSN 5930-01-571-7004
NSN 6620-01-249-8696
NSN 6220-01-495-3301
NSN 5996-01-645-2096
NSN 5999-01-474-1531
NSN 5855-01-261-5495