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 5950-01-571-3538
NSN 5910-01-527-1232
NSN 5930-00-983-5488
NSN 5985-01-155-4191
NSN 6620-00-460-2909
NSN 6620-01-318-1856
NSN 5945-00-666-4700
NSN 6130-01-210-6017
NSN 5965-01-450-2187
NSN 6220-01-417-2167
NSN 7035-00-968-4848
NSN 5920-01-010-3293