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 5996-00-458-4275
NSN 6645-00-004-8628
NSN 6220-01-330-2669
NSN 4140-01-546-1794
NSN 5935-01-383-8209
NSN 5999-01-473-4381
NSN 6145-01-159-9344
NSN 6240-00-284-1457
NSN 6135-00-840-6451
NSN 5935-01-500-2013
NSN 7035-00-574-4223
NSN 2925-00-149-0760