Product Description

This is a PAR46 sealed-beam incandescent aircraft lamp with a 28‑volt, 250‑watt rating, used as a landing light in aviation applications.

0 1. Overview

The 4553 lamp uses sealed-beam PAR technology with an incandescent CC-8 filament and a clear lens. It is built with screw terminal base connections and a bulb diameter of approximately 5.75 inches. Maximum overall length is about 3.13 inches. The lamp’s design provides a narrow beam spread of about 11 degrees horizontally and 12 degrees vertically at the stated cutoff, with a maximum beam candlepower of 300,000. The lamp carries an ANSI code of 4553 and a product code of 24799. A referenced MIL specification designation for this configuration is MS25241-4553. The lamp has a rated life of 25 hours under its specified operating conditions. It is produced as a sealed-beam PAR46 unit in a clear color family and is designated for aircraft service. Export and trade data for this item include an ECCN classification of EAR99 and a Schedule B code of 9405.40.0000 in one listing and 8539100020 in another. Country of origin is stated as the United States for one manufacturer’s variant.

0 2. Key Features

  • PAR46 sealed-beam incandescent aircraft lamp
  • Rated for 28 volts and 250 watts
  • Sealed-beam PAR construction with clear lens
  • Screw terminal base configuration
  • CC-8 filament design
  • Lamp diameter approximately 5.75 inches
  • Maximum overall length approximately 3.13 inches
  • Horizontal beam spread about 11 degrees at 10 percent intensity
  • Vertical beam spread about 12 degrees at 10 percent intensity
  • Maximum beam candlepower rated at 300,000
  • ANSI code designation 4553
  • MIL specification reference MS25241-4553
  • Rated life of 25 hours under specified conditions
  • ECCN classification EAR99
  • Schedule B codes referenced as 9405.40.0000 and 8539100020
  • Country of origin stated as United States for at least one variant
0 3. Specifications

Part Number: 4553
Alternate Part Numbers: GE-4553, GE4553, GE 4553, 24799, 11-03799
Lamp Type: Sealed beam PAR incandescent
Bulb Size: PAR46
Voltage Rating: 28 V
Wattage: 250 W
Filament Type: CC-8
Base Type: Screw terminals
Color: Clear
Primary Application: Aircraft landing light
ANSI Code: 4553
MIL Specification: MS25241-4553
Maximum Beam Candlepower: 300,000
Beam Spread Horizontal: 11° at 10% intensity
Beam Spread Vertical: 12° at 10% intensity
Rated Life: 25 hours
Maximum Overall Length: 3.1300 in (79.5 mm)
Bulb Diameter: 5.750 in (146.0 mm)
Country of Origin: United States (for at least one manufacturer’s version)
ECCN: EAR99
Schedule B Code: 9405.40.0000; 8539100020

FAQs

01. What are the electrical ratings for the 4553 aircraft lamp?

The 4553 aircraft lamp is rated for 28 volts and 250 watts.

02. What bulb size and construction does the 4553 lamp use?

The 4553 lamp uses a PAR46 sealed-beam construction with an incandescent CC-8 filament and screw terminal base.

03. What are the beam characteristics of the 4553 landing light?

The 4553 landing light has an approximate horizontal beam spread of 11 degrees, a vertical beam spread of 12 degrees at 10 percent intensity, and a maximum beam candlepower of 300,000.

04. What are the physical dimensions of the 4553 lamp?

The 4553 lamp has a bulb diameter of about 5.75 inches and a maximum overall length of about 3.13 inches.

05. Which specifications and classifications apply to the 4553 lamp?

The 4553 lamp carries ANSI code 4553, references MIL specification MS25241-4553, and has an ECCN of EAR99 with Schedule B codes 9405.40.0000 and 8539100020 in available documentation.

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