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 5998-01-575-7472
NSN 5905-00-700-0776
NSN 6240-00-269-3346
NSN 6105-01-529-4771
NSN 5835-01-495-0595
NSN 6105-01-192-2855
NSN 6110-01-235-6021
NSN 6135-00-134-6648
NSN 5895-00-161-6090
NSN 6150-01-528-7353
NSN 5945-00-401-0028
NSN 6685-01-646-1250