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 5925-00-740-6835
NSN 5835-00-140-8646
NSN 5930-01-323-0378
NSN 6645-01-347-4865
NSN 5990-00-524-2293
NSN 5920-00-661-0840
NSN 6220-01-305-7210
NSN 5945-01-630-5707
NSN 5998-01-145-4426
NSN 5935-00-142-0744
NSN 6320-00-004-9158
NSN 6105-01-381-2496