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 6645-01-154-3080
NSN 6150-00-003-9733
NSN 5855-01-603-9045
NSN 5999-00-203-1202
NSN 5965-01-614-7320
NSN 5985-01-157-3585
NSN 5905-01-613-0258
NSN 5910-01-395-5030
NSN 5920-01-497-9232
NSN 5960-01-416-1942
NSN 5990-00-085-4299
NSN 6610-00-931-3656