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 6145-01-161-2668
NSN 5910-01-461-8248
NSN 5910-01-436-6548
NSN 5930-01-113-7828
NSN 5985-00-753-1397
NSN 7035-01-503-2362
NSN 5930-01-563-6981
NSN 6150-01-412-4242
NSN 4140-01-423-1005
NSN 5975-01-146-2852
NSN 6240-01-268-4035
NSN 5915-00-891-8158