Change Notice CN-0043 GB2, MB, SB, SCB, WB Series Material Change to Caps AT407A, AT413A, AT414A & AT4137A Type of Change: Engineering Product Part Number Appearance The following caps will have a change in material. The material change will affect only the black caps. Conversion of the material will not alter any of the dimensions or the functionality of the caps. These caps are used in series GB2, MB, SB, SCB and WB. AT407A 10mm Diameter Screw-on Cap AT413A 8mm Diameter Screw-on Cap (8.0) .315 Series MB20 6mm or 1/4-40 Bushing Black only (10.0) Dia .394 M2.3 P0.4 AT414A 13.2mm Diameter Screw-on Cap (6.5) .256 Series MB20 6mm or 1/4-40 Bushing (8.0) Dia .315 M2.3 P0.4 Black only AT4137A Rectangular Cap (12.8) Dia .504 Series MB (11.0) .433 (14.9) .587 12mm Bushing SB61A, SB61B, SB63A; SB221NO, SB221NC, SB221TNO, SB221TNC; SB25; SCB; WB M3.5 P0.6 Series GB2 Black only (2.4) .094 (2.0) .079 (3.0) .118 (13.2) Dia .520 Black only Note: Cap is packaged with above switches as standard Availability Changes in material to caps AT407A, AT413A, AT414A, and AT4137A begin with October 2009 production. www.nkkswitches.com 1.877.2BUYNKK (228.9655) Engineering Department 7850 East Gelding Drive • Scottsdale, AZ 85260 Telephone 480.991.0942 • Fax 480.998.1435 10/9/09