PartsTable
Technical Data Sheet
PartsTable / MRO / CF4U
CF4U ✓ Verified by PartsTable
— · 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 FUSEHOLDER,BLOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, body_shape: OVAL, ring_style: CONCENTRIC, design_type: JACKETED, shank_shape: ROUND, overall_width: 10.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-379-9644, 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→ CF4U
NSN: 5920-01-379-9644
FSC: 5920
CAGE: 0DU12 — ALTECH CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
body_shapeOVAL
ring_styleCONCENTRIC
design_typeJACKETED
shank_shapeROUND
overall_width10.500 INCHES NOMINAL IN
inlet_locationOFFSET IN END SECTION OF BODY 2.750 IN. C OF INLET TO C OF BODY IN
muffler_designMULTIPASS
overall_height4.000 INCHES NOMINAL IN
overall_length0.265 INCHES NOMINAL IN
mounting_methodTERMINAL
outlet_locationCENTRALLY LOCATED IN END SECTION FO BODY
NSN5920-01-379-9644
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSEHOLDER,BLOCK TITLE COMPONENT PN CF4U MFR FUSEHOLDER,BLOCK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
E0021860Interchangeable
interchangeable cross-reference
interchangeable
4112524Interchangeable
interchangeable cross-reference
interchangeable
4115382Interchangeable
interchangeable cross-reference
interchangeable
21902Interchangeable
interchangeable cross-reference
interchangeable
1N5306Interchangeable
interchangeable cross-reference
interchangeable
219-02VMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CF4U?
CF4U is a FUSEHOLDER,BLOCK. It is classified as a MRO (MRO_GENERAL).
What parts can replace CF4U?
There are 8 known substitutes for CF4U: E0021860, 4112524, 4115382 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CF4U?
CF4U is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-379-9644. 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