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 5925-01-163-3141
NSN 5930-01-023-2566
NSN 6650-00-406-2645
NSN 4140-00-155-8012
NSN 5855-01-486-9924
NSN 5965-00-342-5126
NSN 6145-00-106-0611
NSN 6320-01-054-3046
NSN 6620-01-623-7266
NSN 6105-00-583-9958
NSN 6220-00-629-3964
NSN 5985-01-193-1381