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 5965-00-970-2989
NSN 5925-01-535-6212
NSN 5999-01-139-6914
NSN 6650-01-176-8785
NSN 6130-01-648-8033
NSN 5935-01-168-5098
NSN 6685-00-938-0435
NSN 6145-00-553-8196
NSN 6150-00-155-3578
NSN 6150-01-528-7615
NSN 6620-01-096-3723
NSN 5930-01-578-4161