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Technical Data Sheet
4478 ✓ Verified by PartsTable
Sylvanian Families · MRO · MRO_GENERAL
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 SEMICONDUCTOR DEVICE,DIODE is a Sylvanian Families industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, lug_width: 0.562 INCHES NOMINAL IN, base_style: TWO CONTRACT LUGS (NOT CONTACT), body_style: WEBBED, SOLID, bore_style: W/ KEYWAY BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-135-7008, 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
MRO MRO_GENERAL 4478
NSN: 6210-00-135-7008
FSC: 6210
CAGE: 04426 — ILLINOIS TOOL WORKS INC DBA ILLINOIS TOOL WORKS INC DIV ILLINOIS TOOL WORKS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
lug_width0.562 INCHES NOMINAL IN
base_styleTWO CONTRACT LUGS (NOT CONTACT)
body_styleWEBBED, SOLID
bore_styleW/ KEYWAY BOTH ENDS
bulb_stylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
tooth_formSTANDARD
body_length3.400 INCHES NOMINAL IN
coil_quantity12-3/4
inclosure_typeENCASED
overall_height0.630 INCHES NOMINAL IN
NSN6210-00-135-7008
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Sylvanian Families SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN 4478 MFR Sylvanian Families SEMICONDUCTOR DEVICE,D
KEY FEATURES
STYLE DESIGNATOR: ROUND FRAME, ROUND LENS TYPE
TERMINAL TYPE AND QUANTITY: 4 QUICK DISCONNECT, MALE
MOUNTING METHOD: PANEL
PANEL ACCOMMODATION HOLE DIAMETER: 1.140 INCHES NOMINAL IN
OVERALL DIAMETER: 1.343 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORROUND FRAME, ROUND LENS TYPE
SPECIAL FEATURESLAMP ACCOMMODATION QUANTITY: 4
TERMINAL TYPE AND QUANTITY4 QUICK DISCONNECT, MALE
MOUNTING METHODPANEL
PANEL ACCOMMODATION HOLE DIAMETER1.140 INCHES NOMINAL IN
OVERALL LENGTH2.000 INCHES MAXIMUM IN
OVERALL DIAMETER1.343 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4478Interchangeable
interchangeable cross-reference
interchangeable
5488FInterchangeable
interchangeable cross-reference
interchangeable
8184Interchangeable
interchangeable cross-reference
interchangeable
2859JInterchangeable
interchangeable cross-reference
interchangeable
425-4105-591494PC62CInterchangeable
interchangeable cross-reference
interchangeable
98609-6100-587568PC44-45Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4478?
4478 is a SEMICONDUCTOR DEVICE,DIODE manufactured by Sylvanian Families. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4478?
There are 18 known substitutes for 4478: 4478, 5488F, 8184 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4478?
4478 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-135-7008. This indicates validated use in U.S. government and defense supply chains.
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