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 6110-01-593-2280
NSN 5945-01-063-6824
NSN 5998-01-249-4674
NSN 5855-01-098-9038
NSN 5935-01-156-9013
NSN 5960-01-411-5899
NSN 5985-01-315-3284
NSN 6650-01-029-2995
NSN 5990-01-143-2518
NSN 5855-01-430-9689
NSN 6320-01-519-8767
NSN 6650-01-510-9488