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 6135-00-990-1822
NSN 5910-00-565-8593
NSN 5945-01-326-0944
NSN 5965-00-422-5415
NSN 4140-00-272-6538
NSN 5985-00-152-2693
NSN 5915-01-411-5355
NSN 5935-01-485-0452
NSN 6620-01-219-7432
NSN 6320-00-937-5625
NSN 6130-00-320-3363
NSN 5950-01-482-4909