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 2925-01-460-1345
NSN 5990-01-492-6575
NSN 5996-01-040-0716
NSN 5930-00-273-0778
NSN 5930-01-248-5929
NSN 4140-00-375-8631
NSN 5950-00-588-2518
NSN 6645-01-380-4075
NSN 6145-01-054-3874
NSN 6610-01-327-3187
NSN 5915-00-081-9939
NSN 6135-00-134-6648