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 5905-01-010-3320
NSN 5915-01-083-2170
NSN 5920-01-605-6946
NSN 6150-00-823-2588
NSN 5950-01-468-9556
NSN 5835-01-316-3255
NSN 5895-01-523-0237
NSN 5960-01-410-8177
NSN 5998-01-137-0079
NSN 5996-00-973-4179
NSN 5975-01-003-9803
NSN 5930-01-458-6930