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PartsTable / MRO / AA55509-012
AA55509-012 ✓ 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,INDICATOR ALARM is a the manufacturer industrial component. Key specifications include body_style: MINIATURE GRASSHOPPER, overall_width: 0.110 INCHES NOMINAL IN, overall_height: 0.780 INCHES NOMINAL IN, overall_length: 0.688 INCHES MAXIMUM IN, interruption_indicator_method: GRASSHOPPER, maximum_voltage_rating_in_volts: 300.0 AC AND 300.0 DC. 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
MRO→ MRO_GENERAL→ AA55509-012
NSN: 5920-01-056-7256
FSC: 5920
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
body_styleMINIATURE GRASSHOPPER
overall_width0.110 INCHES NOMINAL IN
overall_height0.780 INCHES NOMINAL IN
overall_length0.688 INCHES MAXIMUM IN
interruption_indicator_methodGRASSHOPPER
maximum_voltage_rating_in_volts300.0 AC AND 300.0 DC
continuous_current_rating_in_amps3.500
circuit_over-current_interruption_typeNORMAL INSTANTANEOUS
NSN5920-01-056-7256
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,INDICATOR ALARM TITLE COMPONENT PN AA55509-012 MFR FUSE,INDICATOR ALARM
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 AA55509-012?
AA55509-012 is a FUSE,INDICATOR ALARM. It is classified as a MRO (MRO_GENERAL).
What parts can replace AA55509-012?
There are 32 known substitutes for AA55509-012: GMT18/100, 401.180, AA55509-001 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA55509-012?
AA55509-012 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