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 5935-01-099-6562
NSN 5996-00-767-4877
NSN 6685-00-181-4423
NSN 6240-01-400-4212
NSN 6105-01-044-7321
NSN 5965-00-977-5658
NSN 5975-00-160-0256
NSN 5950-01-081-8570
NSN 5855-01-453-1549
NSN 5999-00-417-9045
NSN 6610-01-224-6396
NSN 6105-01-199-7725