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 5915-00-553-8755
NSN 5935-00-315-3381
NSN 4140-00-027-5150
NSN 4140-01-530-9251
NSN 5925-01-284-5270
NSN 6610-01-181-4398
NSN 7035-01-442-7947
NSN 6320-01-029-2196
NSN 5935-01-266-9977
NSN 6220-01-422-2585
NSN 6220-01-572-2681
NSN 2925-00-471-1128