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 6620-01-441-7896
NSN 5895-00-684-6879
NSN 7035-00-523-7492
NSN 6105-00-752-8818
NSN 6105-01-435-2163
NSN 5915-01-209-1015
NSN 5925-01-115-4166
NSN 5999-01-350-1916
NSN 6610-01-460-1385
NSN 5985-01-363-8004
NSN 6220-01-463-2854
NSN 6240-01-106-2447