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 5910-01-600-1181
NSN 6685-00-276-9889
NSN 6220-01-327-4054
NSN 4140-00-511-7345
NSN 5835-00-543-1325
NSN 5895-01-125-5984
NSN 5895-01-158-3529
NSN 5945-01-442-3526
NSN 6130-00-904-6975
NSN 6110-01-490-2349
NSN 4140-01-324-7768
NSN 7035-01-496-9069