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 5915-00-961-1649
NSN 5920-01-331-4712
NSN 5925-01-250-1035
NSN 2925-01-304-2127
NSN 5835-00-377-7020
NSN 6105-00-208-1803
NSN 5960-01-076-4708
NSN 6610-01-465-1320
NSN 5950-01-068-4637
NSN 5975-01-020-7869
NSN 6130-01-646-6689
NSN 5910-00-981-7179