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 5960-01-513-3230
NSN 6110-00-960-2331
NSN 4140-01-152-9161
NSN 6620-00-495-0309
NSN 2925-01-397-8028
NSN 5950-01-262-9226
NSN 6220-01-492-5018
NSN 2925-01-386-7392
NSN 6610-01-221-2606
NSN 5998-01-429-3502
NSN 5855-01-563-3470
NSN 6320-00-242-3300