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 5925-01-350-1847
NSN 6240-00-488-0278
NSN 6650-00-419-4863
NSN 6650-00-690-8709
NSN 5930-01-478-2508
NSN 7035-01-487-3324
NSN 6650-01-092-8435
NSN 5990-01-160-6978
NSN 6685-00-100-4753
NSN 6610-01-481-6885
NSN 5935-00-826-2816
NSN 5999-00-850-4690