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 6650-01-418-0790
NSN 6610-00-520-1837
NSN 5945-00-101-0731
NSN 6150-01-433-0315
NSN 5998-00-146-9115
NSN 5996-01-077-6108
NSN 6610-01-459-1951
NSN 6130-00-520-2708
NSN 6220-01-628-8552
NSN 5965-00-275-0491
NSN 7035-01-542-3276
NSN 5905-00-932-4648