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 4140-01-128-2493
NSN 6135-00-932-3136
NSN 6110-01-368-5501
NSN 6650-00-087-1569
NSN 5915-01-139-1557
NSN 5990-01-633-9503
NSN 5925-01-223-3729
NSN 6685-01-301-9394
NSN 5998-00-716-0996
NSN 6685-01-330-4910
NSN 5985-00-166-3179
NSN 6145-01-457-3041