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 6110-00-144-6763
NSN 6240-01-406-3589
NSN 6105-00-226-7875
NSN 5935-01-534-3128
NSN 6320-00-194-4252
NSN 5895-01-612-2181
NSN 5835-01-434-0790
NSN 6130-01-425-1748
NSN 6685-01-059-1769
NSN 5990-00-583-9920
NSN 4140-01-631-8661
NSN 6130-00-156-7751