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 5996-01-430-2440
NSN 6105-01-357-6320
NSN 6320-01-393-7022
NSN 4140-00-958-9730
NSN 5999-01-527-4960
NSN 5998-01-432-5381
NSN 6320-00-070-4544
NSN 5935-00-774-4467
NSN 6220-00-346-0738
NSN 5965-01-188-7267
NSN 5945-00-218-0012
NSN 5960-01-543-0235