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 6240-01-355-4425
NSN 6110-01-094-3907
NSN 4140-00-456-2268
NSN 6135-01-472-5681
NSN 5975-01-406-3332
NSN 5990-00-764-1824
NSN 6620-01-456-0529
NSN 5945-01-313-0544
NSN 2925-01-542-5671
NSN 6220-01-222-0724
NSN 6650-00-518-2962
NSN 7035-00-003-7518