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 6320-01-116-3980
NSN 5985-01-237-2211
NSN 6135-00-299-6918
NSN 4140-00-944-7318
NSN 5915-00-253-5142
NSN 5998-01-361-7856
NSN 5910-01-377-1981
NSN 5915-00-624-0168
NSN 6650-00-872-0942
NSN 5998-01-559-3224
NSN 4140-01-423-0731
NSN 5915-00-141-0410