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 bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts
NSN 6620-00-229-2728
NSN 5895-00-997-2467
NSN 6610-00-989-8912
NSN 5915-01-413-7133
NSN 5985-00-374-7430
NSN 5985-00-233-7284
NSN 5999-01-492-2675
NSN 5905-01-651-3830
NSN 6135-01-517-6060
NSN 6685-01-459-5047
NSN 5960-00-478-1168
NSN 5905-01-501-9465