Sea-Dog 400180-1 Flush Mount Side Navigation Lights, 304 Stainless Steel, USCG 1 NM Approved Port & Starboard Pair, 12V

The Sea-Dog 400180-1 Flush Mount Side Navigation Lights deliver clean, low-profile sidelight visibility for your vessel. Sold as a matched port and starboard pair, each light is constructed of corrosion resistant stamped 304 stainless steel and carries USCG 1 NM (A-16) approval. Designed for replacement of existing lighting, they mount flush to the hull for an unobtrusive, integrated look with unimpeded sight lines.

Specifications

• Brand: Sea-Dog
• Manufacturer Part Number: 400180-1
• Material: Stamped 304 stainless steel
• Voltage: 12V
• USCG approval: 1 NM (A-16)
• Length (A): 7-3/4 in
• Dimension B: 2-5/16 in
• Dimension C: 5-5/16 in
• Dimension D: 2-11/16 in
• Light arc: 10 points
• Fasteners: Four #8 RH (not included)
• Lens: Clear glass
• Weight: 0.68 lb
• Includes: Port and starboard lights (pair)

Fitment

Universal application for boats requiring USCG 1 NM side navigation lighting. Intended for replacement of existing lighting, not for new construction. All USCG approved navigation lights must be mounted properly to provide correct visual alignment and unimpeded sight lines; refer to USCG regulations for 1 NM and 2 NM navigation lights before installing.

Replacement Parts

• Replacement Lens: 400181-1
• Replacement Bulb: 441032-1 (double contact bayonet base)
• Replacement Socket Assembly available

Frequently Asked Questions

What is included with the Sea-Dog 400180-1? The Sea-Dog 400180-1 is sold as a pair and includes both a port and a starboard flush mount side navigation light.

Is the 400180-1 USCG approved? Yes. The Sea-Dog 400180-1 flush mount side lights are USCG approved for 1 NM (A-16) visibility.

What material are these navigation lights made of? They are constructed of corrosion resistant stamped 304 stainless steel.

What voltage do these lights use? The 400180-1 side lights operate on a 12V system.

What fasteners are needed to install them? Each light installs with four #8 RH fasteners. The fasteners are not included.

Can these be used for new boat construction? No. The 400180-1 flush mount side lights are intended for replacement of existing lighting, not for new construction.

What is the replacement lens part number? The replacement lens for the 400180-1 side lights is part number 400181-1.

What replacement bulb does this light use? The replacement bulb is part number 441032-1, which uses a double contact bayonet base.

What are the dimensions of the 400180-1 side light? Each light measures 7-3/4 in (A) by 2-5/16 in (B), with a 5-5/16 in C dimension and a 2-11/16 in D dimension.

How much does the pair weigh? The 400180-1 side light pair weighs approximately 0.68 lb.

What lens does the 400180-1 have? It uses a clear glass lens.

How should USCG navigation lights be mounted? USCG approved navigation lights must be mounted properly to provide correct visual alignment and allow unimpeded sight lines. Refer to USCG regulations for 1 NM and 2 NM navigation lights for details.