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 5910-01-271-9006
NSN 6220-01-286-1878
NSN 5835-00-165-3069
NSN 5960-01-579-1661
NSN 5910-01-349-6833
NSN 5975-01-356-6157
NSN 5998-00-446-2194
NSN 6105-00-156-9084
NSN 5960-00-827-1201
NSN 5999-01-632-9498
NSN 5975-00-553-7151
NSN 5990-00-424-8872