ELECTROMAGNETIC INTERFERENCE (EMI) GASKETS. IN THE FORM OF CANTED COIL CIRCULAR SPRINGS TO PROTECT ELECTRICAL CIRCUITS BY RETAINING TRANSMISSIONS IN THE DEVICE AND BY PREVENTING ELECTROMAGNETIC RADIATION.

GENERAL RULES 1 AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE. THE HARMONISED SYSTEM EXPLANATORY NOTES TO HEADING 8536. TEXT TO CN CODES 8536, 8536 90 AND 8536 90 95.