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 5930-01-135-0148
NSN 5905-01-135-7864
NSN 2925-01-055-7607
NSN 5990-00-226-1152
NSN 6645-01-465-4915
NSN 6240-01-386-4594
NSN 6240-00-798-1810
NSN 5960-01-516-7264
NSN 5996-01-586-0162
NSN 6150-01-471-3132
NSN 5930-00-154-3004
NSN 6130-00-902-5692