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Technical Data Sheet
3AP4 ✓ 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 FUSE,CARTRIDGE is a the manufacturer industrial component. Key specifications include material: COPPER TERMINAL, body_style: PIGTAIL TYPE, overall_length: 1.275 INCHES NOMINAL IN, terminal_length: 1.500 INCHES NOMINAL IN, overall_diameter: 0.275 INCHES NOMINAL IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-090-2445, 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 3AP4
NSN: 5920-01-090-2445
FSC: 5920
CAGE: 92912 — BEL FUSE INC (USA)
SPECIFICATIONS
materialCOPPER TERMINAL
body_stylePIGTAIL TYPE
overall_length1.275 INCHES NOMINAL IN
terminal_length1.500 INCHES NOMINAL IN
overall_diameter0.275 INCHES NOMINAL IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
surface_treatmentSOLDER TERMINAL
terminal_diameter0.032 INCHES NOMINAL IN
interruption_indicator_methodVISIBLE ELEMENT
maximum_voltage_rating_in_volts250.0 AC AND 250.0 DC
continuous_current_rating_in_amps4.000
circuit_over-current_interruption_typeNORMAL INSTANTANEOUS
NSN5920-01-090-2445
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN 3AP4 MFR FUSE,CARTRIDGE
KEY FEATURES
SURFACE TREATMENT: SOLDER TERMINAL
INTERRUPTION INDICATOR METHOD: VISIBLE ELEMENT
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
MATERIAL: COPPER TERMINAL
TERMINAL LENGTH: 1.500 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC AND 250.0 DC
OVERALL DIAMETER: 0.275 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTSOLDER TERMINAL
INTERRUPTION INDICATOR METHODVISIBLE ELEMENT
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
MATERIALCOPPER TERMINAL
TERMINAL LENGTH1.500 INCHES NOMINAL IN
OVERALL LENGTH1.275 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS250.0 AC AND 250.0 DC
OVERALL DIAMETER0.275 INCHES NOMINAL IN
CONTINUOUS CURRENT RATING IN AMPS4.000
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
8004-1Interchangeable
interchangeable cross-reference
interchangeable
31-8004Interchangeable
interchangeable cross-reference
interchangeable
9211300Interchangeable
interchangeable cross-reference
interchangeable
68-301-004Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3AP4?
3AP4 is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3AP4?
There are 4 known substitutes for 3AP4: 8004-1, 31-8004, 9211300 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3AP4?
3AP4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-090-2445. This indicates validated use in U.S. government and defense supply chains.
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