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 6240-01-192-5590
NSN 5985-01-240-9026
NSN 6150-01-246-4050
NSN 5910-01-479-6334
NSN 5990-01-357-6175
NSN 5999-00-579-0282
NSN 6685-01-192-8759
NSN 5945-01-445-5537
NSN 6145-01-589-7530
NSN 5915-01-157-5211
NSN 5905-01-243-4509
NSN 5905-00-456-0937