Found 7 alternatives for FMBN04BD by NKK Switches. Keypad Switches — Box.
SWITCH KEYPAD 16 KEY 0.02A 24V
SWITCH KEYPAD 4 KEY 0.02A 24V
SWITCH KEYPAD 16 KEY 0.05A 24V
SWITCH KEYPAD 16 KEY 0.02A 24V
SWITCH KEYPAD 16 KEY 0.05A 24V
SWITCH KEYPAD 12 KEY 0.02A 24V
SWITCH KEYPAD 16 KEY 0.02A 24V