Ignition Magneto

MJS9B301

MJS9B301
(NSN) National Stock Number
2925-00-240-7820
Federal Supply Classification
2925 Aircraft Prime Moving Engine Electrical System Components
Item Name Code
00113
Schedule B Code
8511200000
Summary

Helical gear drive connection type, 0.375 inches nominal mounting slot width, 0.902 inches nominal mounting slot length, 01843 connector manufacturer code, ec52371 connector manufacturer part number, 5.250 inches nominal distance between mounting facility centers

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
9 - - KE
Identification

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.

INC FIIG Concept Condition
00113 A12200 - 2
Specifications
Drive Connection Type
helical gear
Details Indicates the type of connection between the prime mover and the shaft.
Mounting Slot Width
0.375 inches nominal
Details A measurement taken at right angles to the length of the mounting slot,in distinction from thickness.
Mounting Slot Length
0.902 inches nominal
Details A measurement of the longest dimension of the mounting slot,in distinction from width.
Connector Manufacturer Code
01843
Details The identifying numeric code of the originator that controls or manufactures the electrical connector receptacle.
Connector Manufacturer Part Number
ec52371
Details The identifying part number assigned to the electrical connector receptacle.
Distance Between Mounting Facility Centers
5.250 inches nominal
Details The distance between mounting facility centers.
Performance Type
high tension
Details Indicates the performance capability of the item or component.
Drive Shaft Type
straight spline
Details Indicates the type of drive shaft by the physical configuration,condition,and the like of the shaft end.
Shaft Rotation Direction
counterclockwise
Details The direction of rotation of a rotating shaft as viewed from the drive end.
Mounting Facility Quantity
3
Details The number of mounting facilities provided.
Pole Quantity
4
Details The number of poles included in the item.
Mounting Method
flange
Details The means of attaching the item.
Impulse Quantity Per Revolution
9
Details The number of impulses produced by one complete revolution.
Ignition Type For Which Designed
single
Details Indicates the type of ignition for which the item is designed.
Rotation Element Type
permanent magnet rotor
Details Indicates the type of rotating element used with the item.
Contact Set Quantity
1
Details The number of contact sets incorporated in the unit.
Mounting Facility
slot
Details The facility for mounting the item.
Body Material
aluminum
Details The chemical compound or mechanical mixture properties of which the body is fabricated.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
MJS9B301 04998 5 - 3 9 - KE
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
Y A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
34940 - M M
RVC WCC TCC SHC
- 658 M 9

What's Included?

  • Certificate of Conformity
  • QC Inspection prior to shipping
  • On time delivery
  • Friendly service to back every order
Manufacturer
AMBAC INTERNATIONAL CORPORATION DIV AMBAC INTERNATIONAL
CAGE: 01843
ELGIN , SC , 29045-8280
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 2925-00-240-7820
What is the NIIN of the NSN 2925-00-240-7820?
The National Item Identification Number (NIIN) of the NSN 2925-00-240-7820 is 00-240-7820
When the NSN 2925-00-240-7820 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 2925-00-240-7820 contain any precious metals?
Does not contain precious metal
Does the NSN 2925-00-240-7820 contain any hazardous material?
In HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

At Aerospace Shop, we are dedicated to providing high-quality aerospace components, shop supplies, replacement parts, and tools.

With a commitment to excellence and customer satisfaction, we aim to be your trusted partner in the aerospace industry.

Contact
800 Town and Country Blvd
Houston, TX, 77024
United States
© 2025 Aerospace Shop, Inc. All rights reserved.
Made in USA