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 5945-01-274-6992
NSN 6220-01-381-8023
NSN 6150-01-163-8574
NSN 6130-01-053-0559
NSN 5965-01-207-0991
NSN 6240-00-778-7845
NSN 5996-01-360-5635
NSN 5915-01-236-3610
NSN 5999-01-513-9169
NSN 6150-00-221-5122
NSN 5835-00-681-0005
NSN 5985-00-923-1369