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 5910-00-737-5762
NSN 5950-00-549-4313
NSN 5915-00-729-1276
NSN 5835-01-382-4592
NSN 7035-00-830-1235
NSN 6240-01-291-1191
NSN 5935-00-527-3826
NSN 6645-01-303-6792
NSN 6650-00-543-6023
NSN 6105-01-040-8242
NSN 2925-00-363-9878
NSN 5945-01-431-8124