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 6620-01-416-9882
NSN 6620-00-575-9230
NSN 6620-00-302-3299
NSN 6645-01-383-6514
NSN 6610-01-348-5719
NSN 4140-01-602-0572
NSN 5998-01-466-4861
NSN 5965-01-497-2723
NSN 5915-01-182-3037
NSN 5935-00-382-4642
NSN 5835-01-062-6258
NSN 6610-01-073-8526