220157

Gas Turbine Engine Spark Igniter

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.

15/16-16 ns mounting facility thread size, 5.267 inches minimum and 5.317 inches maximum length, 1.115 inches minimum and 1.125 inches maximum diameter, 1.110 inches nominal depth, included polarization feature

Basic Details

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2925-00-293-4810

00-293-4810

Gas Turbine Engine Spark Igniter

220157

Active

2925 - Aircraft Prime Moving Engine Electrical System Components

Engine Accessories

01/01/1963 (62 years ago)

19767

Technical Specifications

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Diameter
1.115 inches minimum and 1.125 inches maximum
Length
5.267 inches minimum and 5.317 inches maximum
Depth
1.110 inches nominal
Polarization Feature
included
Mounting Facility Thread Size
15/16-16 ns
Mounting Method
thread
Plug Design
straight

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Cross Referenced Parts

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Part Number CAGE Manufacturer RNCC RNVC RNAAC
12835 05045 The B G Service Company, Inc. 5 2 XX
215172 77445 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney 5 2 XX
220157 77445 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney 5 2 XX
313031 77445 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney 5 2 KZ
313031 89536 Fluke Corp 3 2 TX
313093 77445 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney 5 9 SB
316065 77445 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney 5 2 XX
5610039 70040 General Motors Llc Dba General Motors 5 9 KZ
5610039 7X677 General Motors Llc Dba General Motors Llc C 1 ZZ
AA10S 0AFL4 Champion Aerospace Llc 5 9 KZ
C11000 05045 The B G Service Company, Inc. 5 2 XX
C11000 34764 Scientific Radio Systems Inc 3 9 XG
JD57 24617 General Motors Corp 5 9 XX
JD57 70040 General Motors Llc Dba General Motors 5 9 XX
JD57 70673 Sl Auburn Inc Sub of Sl Industries Inc 3 9 KZ
JD57 7X677 General Motors Llc Dba General Motors Llc C 1 ZZ
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