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 5998-01-369-6877
NSN 5905-01-033-7939
NSN 6130-01-620-3702
NSN 6150-01-400-4211
NSN 5905-00-828-6979
NSN 5925-01-225-8866
NSN 5915-01-364-7917
NSN 5835-01-221-0451
NSN 5945-01-400-5928
NSN 5965-01-420-6613
NSN 4140-00-916-2771
NSN 5915-01-349-7609