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 6240-01-287-6785
NSN 6240-01-193-1470
NSN 5935-01-491-6812
NSN 5835-00-148-9719
NSN 6685-00-715-9254
NSN 5996-01-485-0305
NSN 5965-00-479-9567
NSN 5996-01-537-0084
NSN 6150-00-240-4411
NSN 2925-01-497-9381
NSN 5905-00-458-3271
NSN 6110-01-558-1017