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 5925-01-176-5048
NSN 4140-01-660-9469
NSN 4140-01-530-5162
NSN 4140-01-320-9027
NSN 6130-01-359-5613
NSN 7035-00-731-8729
NSN 5835-01-199-1683
NSN 5915-01-333-1280
NSN 5998-01-127-6496
NSN 5998-01-029-8763
NSN 5935-01-209-1852
NSN 6620-00-944-6446