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 7035-01-442-7947
NSN 5915-00-782-5026
NSN 5905-01-462-7213
NSN 4140-01-328-6356
NSN 5895-01-600-1185
NSN 5990-00-495-2859
NSN 6105-01-349-1558
NSN 6685-00-959-7557
NSN 6240-00-269-3346
NSN 5930-00-509-8886
NSN 6135-01-163-0332
NSN 6685-01-381-0445