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 5945-00-039-6959
NSN 6320-00-403-6003
NSN 5990-01-633-9503
NSN 5996-00-893-0363
NSN 6620-01-373-4272
NSN 6150-00-225-5565
NSN 6105-01-460-4280
NSN 4140-00-074-4242
NSN 6685-00-468-1853
NSN 5905-01-549-0514
NSN 5960-00-404-9374
NSN 6620-01-302-3549