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 5915-00-702-5905
NSN 5998-01-536-4024
NSN 4140-01-377-5828
NSN 5930-01-061-7117
NSN 5855-00-156-5489
NSN 6645-00-702-4386
NSN 5945-01-650-9416
NSN 6610-00-181-6363
NSN 5998-01-240-4582
NSN 6620-00-621-6951
NSN 5920-01-374-2093
NSN 5998-00-950-0565