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 5965-01-350-1890
NSN 5925-00-829-4897
NSN 6650-01-600-4843
NSN 5835-00-113-6090
NSN 6105-01-459-8823
NSN 4140-01-169-9272
NSN 5945-01-139-5179
NSN 5945-01-571-5508
NSN 6650-01-255-3271
NSN 6110-00-727-6992
NSN 5920-01-479-9605
NSN 6685-01-467-2718