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 7035-01-191-2822
NSN 6135-00-262-6807
NSN 5835-00-433-0170
NSN 5910-01-207-0909
NSN 5910-01-145-4297
NSN 5999-01-616-5504
NSN 5960-01-103-0906
NSN 6320-01-362-9518
NSN 5990-01-560-0896
NSN 6685-01-642-6133
NSN 5965-01-263-8601
NSN 5945-01-478-7081