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 6110-01-422-9785
NSN 5950-00-405-7690
NSN 6240-01-258-5829
NSN 5990-01-591-0701
NSN 5915-00-874-3090
NSN 6685-00-230-4267
NSN 6110-01-398-2602
NSN 5985-01-593-6435
NSN 5930-01-429-8443
NSN 6610-01-433-7899
NSN 4140-00-640-6811
NSN 5925-00-442-1943