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 5950-01-158-1864
NSN 5925-01-260-3739
NSN 6110-00-678-9770
NSN 5935-01-395-8693
NSN 6135-01-052-9634
NSN 6320-01-627-8295
NSN 6620-01-388-8955
NSN 5910-00-557-3495
NSN 5996-00-468-1874
NSN 5910-00-734-7234
NSN 5930-01-485-3849
NSN 5998-01-485-8776