FN-203W - NavigatorNavigator Compass Features:4 1/2" CombiDamp Dial with Large NumeralsEasily Installed, Fits 4.75" (12.07 cm) Mounting Hole. Exclusive Built-in Green NiteVu Night Illumination Built-in Compensators to Easily Adjust for Deviation Scientifically Matched Sapphire Jewel and Hardened Steel Pivot Dial Movement Powerful DirectiveForce Magnets for Fast Heading Lock-on Movable Sun Shield 45 Degree Lubber Lines High Temperature Construction for Extended Operating Range Custom Fitted Protective Covers Available 100% Repairable Exclusive 5-Year Ritchie WarrantyApprox. Shipping Weight: 2 lbs 10 oz (1.19 kg)Protective Cover: N-203-CReplacement PartsLight Assembly: Sunshade: SH-0111XSP; Front: NV-0128XSP SH-0176 XSP (Green) & SH-0174 XSP (Red) Also uses a green front light NV-0128 ASY (red is not available)Notes:For Navigators built before 1986 please see the service manual page 6-12 or contact Ritchie for replacement lighting.12 volt lighting standard - 24 & 32 volt lighting options are available.