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 6650-01-513-2004
NSN 5835-01-392-0575
NSN 5960-01-160-3437
NSN 7035-01-128-7431
NSN 6150-01-544-4121
NSN 2925-01-144-7106
NSN 4140-01-044-6064
NSN 5998-00-553-9535
NSN 6220-00-913-8486
NSN 6240-01-463-8276
NSN 7035-01-169-6551
NSN 6685-01-358-1454