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 5990-01-531-4812
NSN 6240-01-072-9652
NSN 6150-01-468-0509
NSN 5999-00-700-2389
NSN 5945-00-371-9858
NSN 6220-01-449-0601
NSN 5930-01-289-5693
NSN 6620-01-441-7896
NSN 6130-01-441-5404
NSN 5960-00-878-6583
NSN 6650-01-193-3068
NSN 6685-01-143-4622