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 5950-00-133-8953
NSN 5925-01-646-6148
NSN 6220-01-370-0831
NSN 5996-00-187-1424
NSN 5910-01-390-0643
NSN 6320-01-612-7035
NSN 5855-00-198-3197
NSN 6320-00-116-3658
NSN 5960-01-278-9394
NSN 6620-01-258-7005
NSN 5990-00-594-7291
NSN 5960-01-244-1969