Product Description

This sealed-beam PAR36 incandescent lamp delivers 28-volt, 100-watt illumination for aircraft lighting systems that specify the 4594 lamp number, supporting landing, taxi, or navigation functions depending on the installation.

0 1. Overview

The 4594 lamp uses a PAR36 sealed-beam construction with a clear incandescent light source and a screw terminal base. The bulb shape is PAR36 with a diameter of 4.4 inches and an overall length of 2.4 inches. It produces a spot beam with a maximum candlepower of 110,000, a 6-degree vertical beam spread, and a 12-degree horizontal beam spread. The lamp uses a C-6 filament and has a rated life of 25 hours. It is specified at 100 watts and is associated with NSN 6240-00-237-7867. Case packaging is identified in quantities of 48 lamps for bulk supply.

0 2. Key Features

  • PAR36 sealed-beam incandescent construction
  • Rated at 28 volts and 100 watts
  • Clear spot beam output for focused illumination
  • Maximum candlepower rating of 110,000
  • Horizontal beam spread of 12 degrees and vertical spread of 6 degrees
  • C-6 filament configuration
  • Screw terminal base connection
  • Associated with NSN 6240-00-237-7867
0 3. Specifications

Lamp number: 4594
Lamp type: Sealed-beam incandescent
Bulb shape: PAR36
Voltage: 28 V
Wattage: 100 W
Beam type: Spot
Maximum candlepower: 110,000 cd
Horizontal beam spread: 12°
Vertical beam spread: 6°
Filament type: C-6
Light color: Clear
Base type: Screw terminal
Lamp length: 2.4 in
Diameter: 4.4 in
Rated life: 25 hours
NSN: 6240-00-237-7867
Case quantity: 48 lamps

FAQs

01. What are the electrical ratings of the 4594 sealed-beam lamp?

The 4594 sealed-beam lamp is rated at 28 volts and 100 watts.

02. What beam characteristics does the 4594 lamp provide?

The 4594 lamp provides a spot beam with a maximum candlepower of 110,000, a 12-degree horizontal spread, and a 6-degree vertical spread.

03. Which base type is used on the 4594 aircraft lamp?

The 4594 aircraft lamp uses a screw terminal base.

04. What filament configuration is used in the 4594 lamp?

The 4594 lamp uses a C-6 filament configuration.

05. What is the rated service life of the 4594 lamp?

The rated service life of the 4594 lamp is 25 hours.

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