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 6650-00-996-9132
NSN 6650-01-132-6860
NSN 5895-00-178-0349
NSN 6650-00-316-0260
NSN 5975-01-106-9555
NSN 6220-01-347-2508
NSN 6685-01-467-3035
NSN 6110-01-412-2133
NSN 2925-00-215-4954
NSN 5905-01-334-6642
NSN 5960-01-293-6624
NSN 4140-01-653-0130