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 6220-00-326-2764
NSN 6685-00-999-0418
NSN 6135-00-643-4843
NSN 5990-00-311-1031
NSN 5905-01-634-0595
NSN 6110-01-032-9172
NSN 5930-01-429-0144
NSN 2925-00-816-8765
NSN 5996-01-542-8276
NSN 5990-01-200-7460
NSN 5950-01-508-4244
NSN 5960-01-254-3541