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 6130-00-080-4630
NSN 6220-01-481-1105
NSN 6610-00-878-9442
NSN 5960-01-054-8253
NSN 5998-01-519-3671
NSN 5998-01-313-4844
NSN 5975-01-626-5545
NSN 6150-00-058-8669
NSN 5835-01-013-3420
NSN 5996-01-319-0158
NSN 5999-01-560-4220
NSN 5930-00-140-6451