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 6685-01-273-4366
NSN 4140-00-259-2567
NSN 6105-01-224-7258
NSN 5855-01-253-7695
NSN 5975-01-373-9832
NSN 5895-01-189-2919
NSN 5835-01-209-6410
NSN 6135-00-269-5843
NSN 5905-01-242-1018
NSN 7035-01-249-4547
NSN 5935-01-202-8415
NSN 5895-01-251-0228