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 5930-01-367-4292
NSN 4140-00-143-4772
NSN 5920-01-279-8079
NSN 5930-01-134-3556
NSN 5925-01-233-6571
NSN 5996-00-496-8806
NSN 5950-01-165-4050
NSN 5945-01-403-2800
NSN 6240-01-594-5703
NSN 6150-01-023-7710
NSN 5945-01-376-1956
NSN 5835-00-003-0295