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 6650-01-434-6434
NSN 4140-00-630-2153
NSN 6145-00-398-4405
NSN 5935-00-183-0810
NSN 5910-01-467-9918
NSN 6320-01-072-2073
NSN 5990-00-164-5992
NSN 5930-00-659-9998
NSN 6650-01-200-7657
NSN 7035-01-141-8076
NSN 6105-01-093-4770
NSN 5895-01-175-9723