MRD4A319

View detailed technical data, stock status, and sourcing information for: MRD4A319
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-374-3621

Item Name Code

00113

Assigment Date

01/01/1963 (63 years ago)

1.137 inches nominal mounting slot length, fungus resistant environmental protection, 0.403 inches minimum and 0.414 inches maximum mounting slot width, 4.182 inches minimum and 4.194 inches maximum distance between mounting facility centers, impulse coupled drive connection type

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: 0.403 inches minimum and 0.414 inches maximum
Mounting Slot Length: 1.137 inches nominal
Environmental Protection: fungus resistant
Distance Between Mounting Facility Centers: 4.182 inches minimum and 4.194 inches maximum
Performance Type: high tension
Shaft Rotation Direction: counterclockwise
Mounting Facility Quantity: 2
Pole Quantity: 2
Mounting Method: flange
Impulse Quantity Per Revolution: 4
Ignition Type For Which Designed: single
Spark Plug Terminal Accommodation Thread Series: unef
Mounting Standard Controlling Agency: sae
Rotation Element Type: permanent magnet rotor
Contact Set Quantity: 1
Mounting Facility: slot and threaded hole
Features Provided: radio interference shielding
Mounting Facility Thread Diameter: 0.375 inches nominal
Mounting Facility Thread Quantity Per Inch: 16
Spark Plug Terminal Accommodation Thread Diameter: 0.750 inches nominal
Body Material: magnesium

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-092-9329	No Name Available	03/23/1967

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
H4311	Ignition Magneto
MRD4A319	Ignition Magneto

FAQs

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

What is the FSCG of the NSN 2920-00-374-3621?

The FSCG of the NSN 2920-00-374-3621 is 2920

Does the NSN 2920-00-374-3621 have a Schedule B code assigned?

Yes, the Schedule B code is 8511200000

Does NSN 2920-00-374-3621 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 2920-00-374-3621 contain precious materials?

Item does not contain precious metal.

Does NSN 2920-00-374-3621 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 2920-00-374-3621 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963