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Technical Data Sheet
1F4520 ✓ 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 FUSE LINK,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, point_type: CONVENTIONAL, seal_width: 0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, point_angle: 118.0 DEGREES NOMINAL, shank_style: STANDARD TAPER W/TANG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-431-1652, 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
1F4520
NSN: 4310-00-431-1652
FSC: 4310
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
point_typeCONVENTIONAL
seal_width0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
point_angle118.0 DEGREES NOMINAL
shank_styleSTANDARD TAPER W/TANG
flute_length7.500 INCHES NOMINAL IN
flute_quantity2
overall_length12.125 INCHES NOMINAL IN
special_featuresEND ITEM: PANEL CONTROL 440V-220V-24V WITH COMPONENTS. V
cutting_end_styleGENERAL PURPOSE
housing_bore_diameter1.375 INCHES NOMINAL IN
NSN4310-00-431-1652
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE LINK,ELECTRICAL TITLE COMPONENT PN 1F4520 MFR FUSE LINK,ELECTRICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
12528Interchangeable
interchangeable cross-reference
interchangeable
1280858Interchangeable
interchangeable cross-reference
interchangeable
2411 1-7/32Interchangeable
interchangeable cross-reference
interchangeable
53578Interchangeable
interchangeable cross-reference
interchangeable
10603Interchangeable
interchangeable cross-reference
interchangeable
338366R91Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1F4520?
1F4520 is a FUSE LINK,ELECTRICAL.
What parts can replace 1F4520?
There are 11 known substitutes for 1F4520: 12528, 1280858, 2411 1-7/32 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1F4520?
1F4520 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-431-1652. This indicates validated use in U.S. government and defense supply chains.
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