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National Stock Number:
2925-00-474-4990
Federal Supply Class:
2925
National Item Identification Number:
004744990
Description:
IGNITER,SPARK,GAS TURBINE ENGINE
Detail:
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.
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Manufacturer Information:
| 424815 | 77445 | RTX CORPORATION | | FHE151A | 0AFL4 | CHAMPION AEROSPACE LLC | | FHE151B | 0AFL4 | CHAMPION AEROSPACE LLC | | FHE151C | 0AFL4 | CHAMPION AEROSPACE LLC |
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Techincal Specification:
| DEPTH | 2.470 INCHES MINIMUM AND 2.500 INCHES MAXIMUM | | LENGTH | 3.085 INCHES MINIMUM AND 3.135 INCHES MAXIMUM | | MOUNTING FACILITY THREAD SIZE | 3/4-20 NS | | MOUNTING METHOD | THREAD | | PLUG DESIGN | STRAIGHT | | POLARIZATION FEATURE | NOT INCLUDED | | WIDTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
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