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Technical Data Sheet
4AB ✓ 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: STEEL BODY, base_style: WIRE LEADS, DOWN, body_style: TUBE TYPE, bulb_style: T (TUBULAR), flange_shape: ROUND WITH HOLES ALL ENDS, overall_length: 1.062 INCHES MAXIMUM 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 5920-00-142-7409, 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 4AB
NSN: 5920-00-142-7409
FSC: 5920
CAGE: 75915 — LITTELFUSE, INC. (USA)
SPECIFICATIONS
materialSTEEL BODY
base_styleWIRE LEADS, DOWN
body_styleTUBE TYPE
bulb_styleT (TUBULAR)
flange_shapeROUND WITH HOLES ALL ENDS
overall_length1.062 INCHES MAXIMUM IN
wattage_rating0.040 WATTS
bulb_designatorT-2
connection_typeFLANGE ALL ENDS
filling_gas_typeNEON
overall_diameter0.281 INCHES NOMINAL IN
style_designatorSTRAIGHT THRU FLANGED ENDS NOTE:TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
NSN5920-00-142-7409
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,CARTRIDGE TITLE COMPONENT PN 4AB MFR FUSE,CARTRIDGE
KEY FEATURES
SURFACE TREATMENT: NICKEL TERMINAL
OVERALL DIAMETER: 0.281 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC AND 250.0 DC
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
INTERRUPTION INDICATOR METHOD: OPAQUE BODY
CONTINUOUS CURRENT RATING IN AMPS: 20.000
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTNICKEL TERMINAL
OVERALL DIAMETER0.281 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS250.0 AC AND 250.0 DC
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
INTERRUPTION INDICATOR METHODOPAQUE BODY
CONTINUOUS CURRENT RATING IN AMPS20.000
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
OVERALL LENGTH1.250 INCHES NOMINAL IN
MATERIALCERAMIC CASE
BODY STYLETUBE TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
872291-14Interchangeable
interchangeable cross-reference
interchangeable
NE96Interchangeable
interchangeable cross-reference
interchangeable
4ABInterchangeable
interchangeable cross-reference
interchangeable
1W2834Interchangeable
interchangeable cross-reference
interchangeable
9Y611 IT 1Interchangeable
interchangeable cross-reference
interchangeable
PLGA3430010AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4AB?
4AB is a FUSE,CARTRIDGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4AB?
There are 8 known substitutes for 4AB: 872291-14, NE96, 4AB and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4AB?
4AB is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-142-7409. This indicates validated use in U.S. government and defense supply chains.
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