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Emiss Crankshaft Position Sensor NSN 2990-01-539-3950

Item Description

A permanent magnet with a coil. It produces alternating current pulsation when the magnet field or sensor is disrupted by a gear tooth or notch. It senses pulse ring lobes. The resultant signal enables the electronic control assembly to determine when the ignition module should be triggered to produce a spark. Also, provides revolutions per minute information which is used to calculate spark advance and exhaust gas recirculation flow, and air/fuel ratio, (replaces distributor centrifugal advance weights and timing pickup). One pulse is produced for each cylinder every other engine rotation (one for each spark plug firing).

NSN 2990-01-539-3950 NSN: 2990-01-539-3950

Features and Characteristics

End Application
Engine, outboard 225 efi, 4 stroke, standard/counter rotation
Part Name Assigned By Controlling Agency
Sensor
FSC
2990 Nonaircraft Miscellaneous Engine Accessories
NIIN
015393950
NSN
2990015393950

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
888306T 1
Cage Code:
88907
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8409918000
  • NAICS: 333618
  • SITC: 71391
  • Description: Parts for spark-ignition internal combustion piston engines, nesoi
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 2990-01-539-3950
What are the manufacturers of nsn 2990015393950?
Does this nsn 2990015393950 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2990015393950
A permanent magnet with a coil. it produces alternating current pulsation when the magnet field or sensor is disrupted by a gear tooth or notch. it senses pulse ring lobes. the resultant signal enables the electronic control assembly to determine when the ignition module should be triggered to produce a spark. also, provides revolutions per minute information which is used to calculate spark advance and exhaust gas recirculation flow, and air/fuel ratio, (replaces distributor centrifugal advance weights and timing pickup). one pulse is produced for each cylinder every other engine rotation (one for each spark plug firing).
Does nsn 2990015393950 contain any precious metals?
No precious metal content.
Does nsn 2990015393950 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2990015393950?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
39919
FIIG:
A516J0
App. Key:
Cond. Code:
1
Status:
A

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