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Technical Data Sheet
PartsTable / MRO / 312-3AG
312-3AG ✓ 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 overall_length: 1.250 INCHES NOMINAL IN, overall_diameter: 0.250 INCHES NOMINAL IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT, terminal_diameter: 0.250 INCHES NOMINAL IN, interruption_indicator_method: VISIBLE ELEMENT, maximum_voltage_rating_in_volts: 250.0 AC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-142-4813, 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→ 312-3AG
NSN: 5920-00-142-4813
FSC: 5920
CAGE: 75915 — LITTELFUSE, INC. (USA)
SPECIFICATIONS
overall_length1.250 INCHES NOMINAL IN
overall_diameter0.250 INCHES NOMINAL IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
terminal_diameter0.250 INCHES NOMINAL IN
interruption_indicator_methodVISIBLE ELEMENT
maximum_voltage_rating_in_volts250.0 AC
continuous_current_rating_in_amps2.000
circuit_over-current_interruption_typeNORMAL INSTANTANEOUS
NSN5920-00-142-4813
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN 312-3AG MFR FUSE,CARTRIDGE
KEY FEATURES
•
OVERALL DIAMETER: 0.250 INCHES NOMINAL IN
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
•
TERMINAL DIAMETER: 0.250 INCHES NOMINAL IN
•
INTERRUPTION INDICATOR METHOD: VISIBLE ELEMENT
•
MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
•
CONTINUOUS CURRENT RATING IN AMPS: 2.000
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.250 INCHES NOMINAL IN
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
TERMINAL DIAMETER0.250 INCHES NOMINAL IN
INTERRUPTION INDICATOR METHODVISIBLE ELEMENT
MAXIMUM VOLTAGE RATING IN VOLTS250.0 AC
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
CONTINUOUS CURRENT RATING IN AMPS2.000
OVERALL LENGTH1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
140-12Interchangeable
interchangeable cross-reference
interchangeable
993340-2Interchangeable
interchangeable cross-reference
interchangeable
DPR410-2Interchangeable
interchangeable cross-reference
interchangeable
50MS428-1Interchangeable
interchangeable cross-reference
interchangeable
1400-0004Interchangeable
interchangeable cross-reference
interchangeable
7620082Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 312-3AG?
312-3AG is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 312-3AG?
There are 17 known substitutes for 312-3AG: 140-12, 993340-2, DPR410-2 and 14 more. Substitute compatibility should be verified for your specific system.
Is 312-3AG still available?
312-3AG is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026