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 6320-01-512-2031
NSN 5925-01-211-6660
NSN 7035-01-207-8704
NSN 6220-01-408-5103
NSN 6240-01-482-4819
NSN 5996-01-309-8094
NSN 5910-01-444-8828
NSN 5975-01-401-5355
NSN 5975-00-282-2707
NSN 6220-01-519-9305
NSN 6240-00-573-7514
NSN 6130-01-481-1193