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 4140-00-850-9332
NSN 6620-01-368-2723
NSN 5920-00-270-5179
NSN 5990-01-588-3999
NSN 5996-01-236-5286
NSN 5905-00-338-9067
NSN 5930-00-492-4343
NSN 6220-01-240-9913
NSN 6110-01-290-3418
NSN 5935-00-093-5024
NSN 5960-01-217-1479
NSN 6320-00-701-0437