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 for spark-ignition internal combustion piston engines, nesoi
NSN 5895-01-645-1718
NSN 5925-01-365-3350
NSN 5910-00-148-4886
NSN 6105-01-305-3675
NSN 6320-01-247-0898
NSN 5945-01-378-8164
NSN 2925-01-589-9136
NSN 5905-00-784-4666
NSN 5925-00-081-9135
NSN 4140-00-079-8453
NSN 6645-00-881-9978
NSN 7035-00-922-5700