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 5985-01-123-8667
NSN 6320-01-631-7828
NSN 6135-01-659-7653
NSN 5925-00-626-4343
NSN 7035-00-075-6776
NSN 6685-01-271-0715
NSN 5996-01-188-3831
NSN 5990-01-512-9129
NSN 4140-00-438-2485
NSN 5960-01-474-4843
NSN 4140-00-456-0902
NSN 6105-01-104-3489