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 5910-01-197-6615
NSN 5935-01-298-4347
NSN 6650-00-871-2983
NSN 5930-01-224-6561
NSN 5930-00-204-0471
NSN 6650-00-107-8509
NSN 5920-01-290-3771
NSN 6645-01-480-0662
NSN 6320-01-239-2337
NSN 7035-01-114-3134
NSN 5950-01-259-3770
NSN 6105-00-983-5925