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 5999-00-532-6960
NSN 5905-00-399-4630
NSN 5975-00-419-7819
NSN 2925-00-986-8393
NSN 5975-00-293-8166
NSN 5998-01-418-0911
NSN 5855-01-591-7998
NSN 5945-01-630-7378
NSN 5996-01-090-9751
NSN 5999-00-181-4001
NSN 5999-00-645-8875
NSN 4140-01-477-5050