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 5975-00-402-8499
NSN 6130-01-134-6811
NSN 6150-01-381-2521
NSN 5855-01-561-8944
NSN 5895-01-424-0311
NSN 5996-01-015-1502
NSN 6105-01-076-2622
NSN 5905-01-215-4603
NSN 5905-01-459-6402
NSN 5835-00-518-4507
NSN 5999-01-166-1917
NSN 5915-01-252-4599