Model: 664093

Igniter Assembly

Properties:

End Application
Pratt & whitney models ft4a-2, ft4a-6 & ft4a-12 gas turbines onboard 378 ft whec class and 400 ft coast guard vessels
Mounting Method
Thread
Plug Design
Straight
NSN
2920-01-146-1393
Part Number
664093
Description
Igniter Assembly
CAGE
77445

An item having one or more electrodes arranged to form an air gap across which an electric spark is introduced and discharged to ignite fuel and air mixture in an internal combustion engine for the purpose of initial starting only. In engines designed for the single electrode type, two plugs are required within the combustion chamber in proper placement to effect the air gap. An igniter plug differs from a spark plug by always having cooling facilities in the form of holes or slots in the plug casing to allow entry of air currents around the electrode(s). Excludes spark plug; glow plug and electrode.

Part 664093 NSN 2920-01-146-1393

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
19767
FIIG:
T130-M
Concept No.:
App. Key:
MA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

End Items End applications NSN 2920-01-146-1393 is a component of

  • Ft4a-6 & Ft4a-12 Gas Turbines Onboard 378 Ft Whec Class And 400 Ft Coa Pratt & Whitney Models Ft4a-2

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Schedule B and Export
  • Schedule B: 8411994000
  • SITC: 71499
  • End Use: Industrial engines
  • NAICS: 333611
  • USDA: 1

Freight Class: Parts of nonaircraft gas turbines

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