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 6320-00-115-8800
NSN 6610-01-365-4283
NSN 6610-01-598-6052
NSN 5930-00-216-7511
NSN 4140-00-274-5821
NSN 5960-00-855-2875
NSN 6145-00-080-3421
NSN 5960-01-034-2218
NSN 6650-01-373-5912
NSN 2925-01-492-5342
NSN 5960-00-269-4762
NSN 5965-01-048-4767