FMX2B7E

View detailed technical data, stock status, and sourcing information for: FMX2B7E
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-139-4394

Item Name Code

00113

Assigment Date

08/18/1971 (55 years ago)

An electric generator whose field poles are permanent magnets and which is used to generate electrical energy for the purpose of igniting the combustible mixture in internal combustion engine cylinders. Spark distribution may be accomplished by a distributor portion of the magneto or by a separate item.

tongue drive shaft type, high tension performance type, impulse coupled drive connection type, 0.418 inches nominal mounting slot width, 1.125 inches nominal mounting slot length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Drive Connection Type: impulse coupled
Mounting Slot Width: 0.418 inches nominal
Mounting Slot Length: 1.125 inches nominal
Performance Type: high tension
Drive Shaft Type: tongue
Shaft Rotation Direction: clockwise
Mounting Facility Quantity: 1
Pole Quantity: 2
Mounting Method: flange
Impulse Quantity Per Revolution: 2
Ignition Type For Which Designed: single
Mounting Standard Controlling Agency: sae
Rotation Element Type: wound armature
Mounting Facility: slot
Mounting Facility Thread Diameter: 0.375 inches nominal
Mounting Facility Thread Quantity Per Inch: 16
Body Material: aluminum alloy

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
FMX2B7D	Ignition Magneto
FMX2B7E	Ignition Magneto
Y79AS1	Ignition Magneto
Y79BS1	Ignition Magneto
Y79DS1	Ignition Magneto

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2920-00-139-4394?

The FSCG of the NSN 2920-00-139-4394 is 2920

Does the NSN 2920-00-139-4394 have a Schedule B code assigned?

Yes, the Schedule B code is 8511200000

Does NSN 2920-00-139-4394 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 2920-00-139-4394 contain precious materials?

Item does not contain precious metal.

Does NSN 2920-00-139-4394 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 2920-00-139-4394 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Aug 18, 1971