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 5930-01-450-3571
NSN 5915-01-288-8456
NSN 6150-01-451-5564
NSN 4140-01-492-3258
NSN 5950-01-203-7941
NSN 7035-00-727-4068
NSN 6685-01-157-9199
NSN 5990-00-711-1739
NSN 5895-01-617-7709
NSN 5950-00-581-2999
NSN 5985-01-454-5734
NSN 6220-01-465-9283