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 6110-01-073-6117
NSN 5935-01-393-2112
NSN 6135-01-463-2445
NSN 6150-01-595-7669
NSN 6145-00-170-9415
NSN 5985-00-076-8960
NSN 4140-01-644-2834
NSN 6240-01-430-4252
NSN 5835-01-008-8887
NSN 6240-01-515-2400
NSN 7035-01-314-7559
NSN 5999-01-374-6031