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 7035-01-363-4540
NSN 6240-01-275-4535
NSN 5990-00-081-3937
NSN 5975-01-316-6316
NSN 5999-00-795-1593
NSN 6320-01-418-6681
NSN 2925-01-062-2660
NSN 6685-01-381-0759
NSN 5998-01-187-6738
NSN 5915-01-272-4182
NSN 5960-00-594-0824
NSN 6105-01-236-9084