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 5998-01-007-4082
NSN 6145-01-432-8051
NSN 6645-00-605-3395
NSN 4140-00-303-3133
NSN 5990-01-386-5561
NSN 6610-01-193-2169
NSN 6220-01-066-0310
NSN 5998-01-175-0018
NSN 6240-00-252-7695
NSN 5975-00-486-8518
NSN 6650-01-340-3058
NSN 6105-00-891-9768