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 5975-00-296-9966
NSN 5835-01-580-0446
NSN 5835-01-293-6453
NSN 6620-01-503-6576
NSN 6240-00-840-3647
NSN 6645-01-029-8528
NSN 5945-00-015-0822
NSN 6650-00-143-1889
NSN 5960-00-682-3598
NSN 5999-01-648-2640
NSN 5950-00-180-9943
NSN 5960-01-251-3912