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 5950-01-556-7010
NSN 5910-01-622-1952
NSN 6130-01-459-7524
NSN 5925-01-274-5993
NSN 5950-01-215-1260
NSN 6645-00-968-6118
NSN 5960-01-424-1781
NSN 7035-00-616-4410
NSN 6220-00-433-9337
NSN 5999-00-382-7680
NSN 6650-00-658-3127
NSN 5996-01-475-3592