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 5990-01-558-4536
NSN 6105-00-288-5872
NSN 6110-01-040-5950
NSN 5915-01-074-3387
NSN 5985-01-432-2240
NSN 5985-01-406-5927
NSN 6105-00-248-5772
NSN 4140-01-226-9670
NSN 6645-01-320-4138
NSN 5935-00-597-5055
NSN 6135-01-093-7426
NSN 6220-00-852-0367