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 5960-00-697-3623
NSN 2925-01-556-0333
NSN 6240-01-258-5829
NSN 5935-01-599-9836
NSN 5925-01-211-6660
NSN 6240-00-104-4662
NSN 5965-01-552-1360
NSN 6620-01-526-2857
NSN 6145-01-634-0388
NSN 5925-01-331-6300
NSN 5855-01-641-2736
NSN 6145-00-138-8479