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 6645-01-318-1874
NSN 6645-01-307-1462
NSN 5975-00-099-9312
NSN 6650-01-358-0948
NSN 5835-01-584-3245
NSN 5925-00-136-0977
NSN 5950-00-067-6697
NSN 5999-01-539-0613
NSN 5999-01-475-4021
NSN 6105-00-527-8571
NSN 6105-01-359-3886
NSN 5905-01-649-7497