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 4140-00-260-9521
NSN 5855-00-779-2854
NSN 5935-01-626-8428
NSN 2925-01-327-3069
NSN 5905-01-523-0269
NSN 6135-01-100-3593
NSN 5915-00-071-9286
NSN 5835-01-436-6549
NSN 5965-00-267-4173
NSN 5920-01-387-0819
NSN 6130-01-471-7817
NSN 5960-01-313-0212