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 5855-01-486-7538
NSN 5990-00-605-0391
NSN 5960-00-840-7103
NSN 6150-00-151-6771
NSN 5945-01-424-5210
NSN 5985-01-188-7310
NSN 6320-01-397-9995
NSN 5975-01-452-2622
NSN 6685-01-299-4533
NSN 5920-01-493-6191
NSN 5905-01-029-4987
NSN 5990-00-212-4316