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PartsTable / COMPONENT / 74-6547
74-6547 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LEAD,IGNITION,ENGINE is a the manufacturer industrial component. Key specifications include lead_overall_length: 76.719 INCHES MINIMUM AND 77.219 INCHES MAXIMUM IN, end_item_identification: ACFT ENG TF33-PW-100A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-816-4769, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
74-6547
NSN: 4520-00-816-4769
FSC: 4520
CAGE: 80045 — L3HARRIS CINCINNATI ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
lead_overall_length76.719 INCHES MINIMUM AND 77.219 INCHES MAXIMUM IN
end_item_identificationACFT ENG TF33-PW-100A A
NSN4520-00-816-4769
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LEAD,IGNITION,ENGINE TITLE COMPONENT PN 74-6547 MFR LEAD,IGNITION,ENGINE
KEY FEATURES
•
HEATING ELEMENT TYPE: ELECTRIC NONIMMERSION
•
VOLTAGE IN VOLTS: 208.0
•
CURRENT TYPE: AC
•
HEIGHT: 12.938 INCHES NOMINAL IN
•
WIDTH: 0.438 INCHES NOMINAL IN
•
DEPTH: 6.500 INCHES NOMINAL IN
•
OPERATING CONTROL TYPE: AUTOMATIC CONTROL SWITCH
•
MOUNTING TYPE: WALL PANEL
TECHNICAL CHARACTERISTICS (FLIS)
HEATING ELEMENT TYPEELECTRIC NONIMMERSION
VOLTAGE IN VOLTS208.0
CURRENT TYPEAC
HEIGHT12.938 INCHES NOMINAL IN
WIDTH0.438 INCHES NOMINAL IN
DEPTH6.500 INCHES NOMINAL IN
OPERATING CONTROL TYPEAUTOMATIC CONTROL SWITCH
MOUNTING TYPEWALL PANEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
49111Interchangeable
interchangeable cross-reference
interchangeable
746547Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74-6547?
74-6547 is a LEAD,IGNITION,ENGINE.
What parts can replace 74-6547?
There are 2 known substitutes for 74-6547: 49111, 746547. Substitute compatibility should be verified for your specific system.
What is the NSN for 74-6547?
74-6547 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-816-4769. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026