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 5998-01-535-1469
NSN 5855-01-618-5289
NSN 6130-00-344-8161
NSN 5835-00-917-7344
NSN 6620-00-168-0308
NSN 6320-01-185-3857
NSN 6130-00-059-4642
NSN 6650-01-616-3403
NSN 5960-01-094-5958
NSN 5965-01-536-6014
NSN 6105-00-426-5430
NSN 5998-01-387-6640