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 6320-00-456-2092
NSN 6135-00-056-6863
NSN 5965-01-436-0390
NSN 5855-00-301-1176
NSN 6135-01-465-8061
NSN 6620-00-862-5567
NSN 6130-01-524-7066
NSN 5965-00-215-5866
NSN 6650-00-066-4999
NSN 5935-00-248-5919
NSN 6130-00-980-0530
NSN 6320-01-440-8771