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 6135-01-084-1609
NSN 5920-00-391-6252
NSN 6620-01-367-4960
NSN 6110-01-242-3914
NSN 6240-01-484-2698
NSN 5910-01-602-3070
NSN 5935-01-362-8857
NSN 5855-00-294-7532
NSN 5960-01-032-4229
NSN 5998-00-275-2145
NSN 6220-01-254-0091
NSN 5998-00-194-2942