Product Description

This part is a miniature 28 volt incandescent aircraft lamp used in eyebrow and post light assemblies on aircraft. It operates in low current lighting circuits to provide indicator and area illumination for cockpit instrumentation and control panels that specify the 327 trade number.

0 1. Overview

The lamp is identified by the GE-327 designation and uses incandescent technology. It operates at 28 volts with a current of 40 milliamps and delivers 1 watt of power. The light output is rated at 0.34 candlepower. The bulb envelope follows a T-1 3/4 outline with an overall length of 5/8 inch and a light bulb diameter of 1/4 inch. It employs a single contact midget flanged base suitable for matching aircraft lamp holders. The filament construction is C-2F, and the average operating life is specified as 4000 hours. The lamp meets specification MS25237-327. Brand identification associates the lamp with GE Aviation.

0 2. Key Features

  • Miniature incandescent lamp with 28 V operating voltage
  • Current rating of 40 mA and 1 W power consumption
  • T-1 3/4 bulb form with 1/4 in diameter and 5/8 in overall length
  • Single contact midget flanged base configuration
  • C-2F filament construction
  • Average rated life of 4000 hours
  • Light output rated at 0.34 candlepower
  • Meets specification MS25237-327
0 3. Specifications

Part number: GE-327
Technology: Incandescent
Operating voltage: 28 V
Current: 40 mA
Power: 1 W
Filament type: C-2F
Bulb shape: T-1 3/4
Overall bulb length: 5/8 in
Bulb diameter: 1/4 in
Base type: Single contact midget flanged
Candlepower: 0.34 CP
Average life: 4000 h
Compliance: Meets MS25237-327
Primary application: Eyebrow and post light

FAQs

01. What is the operating voltage and current rating of the GE-327 lamp?

The GE-327 lamp operates at 28 volts with a current rating of 40 milliamps.

02. Which base type does the GE-327 miniature lamp use?

The GE-327 lamp uses a single contact midget flanged base.

03. What filament construction is used in the GE-327 lamp?

The GE-327 lamp uses a C-2F filament construction.

04. How long is the rated service life of the GE-327 bulb?

The GE-327 bulb has an average rated life of 4000 hours.

05. Which specification does the GE-327 lamp meet?

The GE-327 lamp meets specification MS25237-327.

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