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 5998-00-218-1360
NSN 5910-01-631-8786
NSN 5855-01-145-4903
NSN 6105-00-842-2700
NSN 5915-00-203-2859
NSN 6220-01-372-5988
NSN 5855-01-501-5683
NSN 5960-01-500-6615
NSN 5910-01-089-5436
NSN 6145-01-449-1309
NSN 6610-00-862-8540
NSN 5945-01-569-3769