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 5945-00-981-5197
NSN 5975-01-446-6074
NSN 5895-00-920-7142
NSN 6150-01-273-2627
NSN 5985-01-473-7777
NSN 5855-01-062-5655
NSN 7035-00-088-7355
NSN 6220-01-553-3534
NSN 5996-01-334-8675
NSN 6620-01-358-0205
NSN 5925-00-581-6021
NSN 5915-00-844-5713