X86-1S1

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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-977-8831

Item Name Code

00113

Assigment Date

01/01/1962 (64 years ago)

1.125 inches nominal mounting slot length, 0.835 inches nominal shaft length, 0.408 inches nominal mounting slot width, 4.185 inches nominal 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: 0.408 inches nominal
Mounting Slot Length: 1.125 inches nominal
Shaft Length: 0.835 inches nominal
Distance Between Mounting Facility Centers: 4.185 inches nominal
Performance Type: high tension
Drive Shaft Type: threaded
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
Spark Advance Control Method: manual
Maximum Advance Deg: 20.0
Rotation Element Type: unmagnetized, nonwound rotor
Contact Set Quantity: 1
Mounting Facility: slot and threaded hole
Features Provided: grounding switch
Mounting Facility Thread Diameter: 0.375 inches nominal
Mounting Facility Thread Quantity Per Inch: 16
Spark Plug Terminal Accommodation Thread Diameter: 0.688 inches nominal
Body Material: aluminum alloy
Special Features: grumman aerospace corp a10 aircraft

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-251-2823	No Name Available	06/06/1966
2920-00-464-4512	No Name Available	09/17/1971
2920-00-972-4529	No Name Available	09/09/1968

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
10024045	Ignition Magneto
FMXVE4B7G	Ignition Magneto
FMZVE4B7G	Ignition Magneto
X86-1S1	Ignition Magneto
Y86B	Ignition Magneto

FAQs

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

What is the FSCG of the NSN 2920-00-977-8831?

The FSCG of the NSN 2920-00-977-8831 is 2920

Does the NSN 2920-00-977-8831 have a Schedule B code assigned?

Yes, the Schedule B code is 8511200000

Does NSN 2920-00-977-8831 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 2920-00-977-8831 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-977-8831 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 2920-00-977-8831 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962