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PartsTable / MRO / AA55509-003
AA55509-003 ✓ 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 material: PLASTIC CASE, body_style: MINIATURE GRASSHOPPER, overall_width: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, overall_height: 0.844 INCHES NOMINAL IN, overall_length: 1.469 INCHES NOMINAL IN, surface_treatment: NICKEL TERMINAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-995-6079, 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→ AA55509-003
NSN: 5920-00-995-6079
FSC: 5920
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleMINIATURE GRASSHOPPER
overall_width0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
overall_height0.844 INCHES NOMINAL IN
overall_length1.469 INCHES NOMINAL IN
surface_treatmentNICKEL TERMINAL
interruption_indicator_methodGRASSHOPPER
maximum_voltage_rating_in_volts300.0 AC
continuous_current_rating_in_amps0.500
circuit_over-current_interruption_typeNORMAL INSTANTANEOUS
NSN5920-00-995-6079
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,INDICATOR ALARM TITLE COMPONENT PN AA55509-003 MFR FUSE,INDICATOR ALARM
KEY FEATURES
•
SURFACE TREATMENT: NICKEL TERMINAL
•
MATERIAL: PLASTIC CASE
•
MAXIMUM VOLTAGE RATING IN VOLTS: 300.0 AC
•
INTERRUPTION INDICATOR METHOD: GRASSHOPPER
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTNICKEL TERMINAL
MATERIALPLASTIC CASE
OVERALL WIDTH0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
MAXIMUM VOLTAGE RATING IN VOLTS300.0 AC
INTERRUPTION INDICATOR METHODGRASSHOPPER
OVERALL LENGTH1.469 INCHES NOMINAL IN
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
OVERALL HEIGHT0.844 INCHES NOMINAL IN
CONTINUOUS CURRENT RATING IN AMPS0.500
BODY STYLEMINIATURE GRASSHOPPER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
GMT18/100Interchangeable
interchangeable cross-reference
interchangeable
401.180Interchangeable
interchangeable cross-reference
interchangeable
AA55509-001Interchangeable
interchangeable cross-reference
interchangeable
481500Interchangeable
interchangeable cross-reference
interchangeable
GMT1 1-2Interchangeable
interchangeable cross-reference
interchangeable
401 01.5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA55509-003?
AA55509-003 is a FUSE,INDICATOR ALARM. It is classified as a MRO (MRO_GENERAL).
What parts can replace AA55509-003?
There are 32 known substitutes for AA55509-003: GMT18/100, 401.180, AA55509-001 and 29 more. Substitute compatibility should be verified for your specific system.
Is AA55509-003 still available?
AA55509-003 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026