81256, 81256XX, DH1, DH1A, DH1A-MT, DH1A-WP, DH1A-WPX, DH1012, DH1202, DH2012, N/DYM-1, N/DYM-1-MT, ND6X-8. Diaphragm Material: Titanium. Diaphragm Height: 15.2 mm. Fits the following.
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