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 6610-01-070-0230
NSN 4140-00-300-8111
NSN 6610-01-250-9327
NSN 6240-00-279-8716
NSN 6620-00-140-8644
NSN 5935-01-630-6319
NSN 6135-01-260-7180
NSN 6685-01-508-6237
NSN 5950-00-221-2962
NSN 6130-01-538-3857
NSN 6130-00-052-1942
NSN 6685-01-540-4295