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PartsTable / COMPONENT / 45-639
45-639 ✓ 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 COVER,ELECTRICAL RELAY is a the manufacturer industrial component. Key specifications include color: CLEAR LENS, material: STEEL CORROSION RESISTING, body_length: 0.500 INCHES NOMINAL IN, current_type: DC, thread_class: 2A STUD THREAD A, document_type: ENGINEERING DRAWING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-088-8872, 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
45-639
NSN: 3020-00-088-8872
FSC: 3020
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
colorCLEAR LENS
materialSTEEL CORROSION RESISTING
body_length0.500 INCHES NOMINAL IN
current_typeDC
thread_class2A STUD THREAD A
document_typeENGINEERING DRAWING
end_item_nameHELICOPTER,UTILITY,TACTICAL TRANSPORT
overall_width4.375 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
terminal_typeSTUD
inclosure_typeFULLY INCLOSED
overall_height3.125 INCHES NOMINAL IN
NSN3020-00-088-8872
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,ELECTRICAL RELAY TITLE COMPONENT PN 45-639 MFR COVER,ELECTRICAL RELAY
KEY FEATURES
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
•
DOCUMENT SOURCE: 11599
•
DOCUMENT TYPE: ENGINEERING DRAWING
•
END ITEM NAME: HELICOPTER,UTILITY,TACTICAL TRANSPORT
•
COMPONENT QUANTITY: 2
•
COMPONENT DOCUMENT PAGE NUMBER: 1
•
DOCUMENT IDENTIFICATION: 75168
TECHNICAL CHARACTERISTICS (FLIS)
COMPONENT DOCUMENT ORIGININDUSTRIAL
DOCUMENT SOURCE11599
END ITEM IDENTIFICATIONT-53-L-13B ENGINE
DOCUMENT TYPEENGINEERING DRAWING
END ITEM NAMEHELICOPTER,UTILITY,TACTICAL TRANSPORT
COMPONENT QUANTITY2
COMPONENT DOCUMENT PAGE NUMBER1
DOCUMENT IDENTIFICATION75168
END ITEM SOURCE97499
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
921635Interchangeable
interchangeable cross-reference
interchangeable
44055Interchangeable
interchangeable cross-reference
interchangeable
P500-2 1-2IN1-8LM160Interchangeable
interchangeable cross-reference
interchangeable
048536Interchangeable
interchangeable cross-reference
interchangeable
P500Interchangeable
interchangeable cross-reference
interchangeable
48-536Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45-639?
45-639 is a COVER,ELECTRICAL RELAY.
What parts can replace 45-639?
There are 16 known substitutes for 45-639: 921635, 44055, P500-2 1-2IN1-8LM160 and 13 more. Substitute compatibility should be verified for your specific system.
Is 45-639 still available?
45-639 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026