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 6685-01-502-9028
NSN 5960-01-010-3083
NSN 5999-00-141-9441
NSN 5945-01-613-5932
NSN 5925-01-532-1173
NSN 6130-00-761-8223
NSN 5935-00-150-1914
NSN 5985-01-329-8433
NSN 5990-01-365-6016
NSN 5985-00-769-2735
NSN 5935-01-221-8132
NSN 6685-01-412-6442