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 6135-01-370-2599
NSN 6645-01-492-5304
NSN 6610-00-658-2558
NSN 6320-01-019-1028
NSN 5945-01-215-1190
NSN 5915-01-519-3287
NSN 5920-01-446-4524
NSN 6105-01-215-3015
NSN 5996-01-106-6215
NSN 5920-01-292-7625
NSN 5915-01-201-2937
NSN 6150-01-515-0474