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 6650-00-155-8431
NSN 6620-01-492-4271
NSN 6320-00-701-0437
NSN 5910-00-262-6203
NSN 4140-00-597-5260
NSN 6145-01-511-3697
NSN 4140-00-224-5533
NSN 5975-01-006-6536
NSN 5960-01-037-6570
NSN 5855-01-549-9266
NSN 5996-01-421-0422
NSN 6105-01-623-0919