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Technical Data Sheet
PartsTable / COMPONENT / 401 03.5
401 03.5 ✓ 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 401 03.5 is a the manufacturer industrial component. Key specifications include Drive Bays: 0x 3.5" LFF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-056-7256, 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
401 03.5
NSN: 5920-01-056-7256
FSC: 5920
CAGE: 75915 — LITTELFUSE, INC. (USA)
SPECIFICATIONS
Drive Bays0x 3.5" LFF
NSN5920-01-056-7256
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 401 03.5 TITLE COMPONENT PN 401 03.5 MFR 401 03.5
KEY FEATURES
•
INTERRUPTION INDICATOR METHOD: GRASSHOPPER
•
MAXIMUM VOLTAGE RATING IN VOLTS: 300.0 AC AND 300.0 DC
•
BODY STYLE: MINIATURE GRASSHOPPER
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
•
CONTINUOUS CURRENT RATING IN AMPS: 3.500
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.688 INCHES MAXIMUM IN
INTERRUPTION INDICATOR METHODGRASSHOPPER
OVERALL HEIGHT0.780 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS300.0 AC AND 300.0 DC
OVERALL WIDTH0.110 INCHES NOMINAL IN
BODY STYLEMINIATURE GRASSHOPPER
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
CONTINUOUS CURRENT RATING IN AMPS3.500
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
GMT18/100Interchangeable
interchangeable cross-reference
interchangeable
401.180Interchangeable
interchangeable cross-reference
interchangeable
AA55509-001Interchangeable
interchangeable cross-reference
interchangeable
GMT1 1-2Interchangeable
interchangeable cross-reference
interchangeable
401 01.5Interchangeable
interchangeable cross-reference
interchangeable
A-A-55509Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 401 03.5?
401 03.5 is a 401 03.5.
What parts can replace 401 03.5?
There are 32 known substitutes for 401 03.5: GMT18/100, 401.180, AA55509-001 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 401 03.5?
401 03.5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-056-7256. 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