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 6220-01-634-0660
NSN 5855-01-558-9357
NSN 6145-01-453-1919
NSN 5935-00-204-9909
NSN 6150-01-067-8616
NSN 5975-01-012-0792
NSN 5960-01-384-4603
NSN 5835-01-331-5735
NSN 5930-01-464-4233
NSN 5925-00-578-4774
NSN 4140-00-175-5326
NSN 6620-01-554-7811