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 6620-01-492-0288
NSN 6130-01-547-6828
NSN 6150-01-369-1022
NSN 5930-01-547-0566
NSN 6110-00-269-2696
NSN 6650-00-622-4991
NSN 5835-01-130-8258
NSN 5975-01-101-7250
NSN 7035-01-506-4367
NSN 6105-01-011-5210
NSN 6110-01-289-4689
NSN 7035-01-431-4560