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 4140-00-260-9521
NSN 7035-00-300-3208
NSN 5965-00-870-9366
NSN 5910-00-031-6812
NSN 5920-00-803-3290
NSN 5950-00-627-6753
NSN 5935-00-913-0925
NSN 5930-00-584-4563
NSN 6110-00-369-8499
NSN 6240-00-832-6867
NSN 6645-01-370-5264
NSN 5950-01-541-9117