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 5975-00-185-5243
NSN 6610-01-563-4312
NSN 6220-01-235-7091
NSN 5945-00-515-2667
NSN 4140-01-197-4273
NSN 5935-01-533-3897
NSN 2925-00-646-6099
NSN 6130-01-592-4049
NSN 6105-01-464-4251
NSN 5985-00-106-8263
NSN 5910-00-948-6461
NSN 5985-01-105-1257