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 4140-00-626-1277
NSN 5905-00-995-7385
NSN 5999-01-643-0934
NSN 5998-01-601-3719
NSN 6320-01-246-4390
NSN 4140-01-482-0163
NSN 6610-01-100-8128
NSN 6240-01-608-4990
NSN 5950-00-699-1445
NSN 5925-01-260-3739
NSN 6150-01-094-7298
NSN 5960-01-328-8248