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420805AAAA3 ✓ 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 LEAK DETECTOR,REFRIGERANT GAS is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 120V,60HZ OR 240V,50HZ OPERATION;3 LEVEL SENSITIVITY;VINYL CASE;AUDIBLE AND VISUAL ALARMS V. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4940-00-994-1803, 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
420805AAAA3
NSN: 4940-00-994-1803
FSC: 4940
CAGE: 60336 — YOKOGAWA CORPORATION OF AMERICA (USA)
SPECIFICATIONS
general_characteristics_item_description120V,60HZ OR 240V,50HZ OPERATION;3 LEVEL SENSITIVITY;VINYL CASE;AUDIBLE AND VISUAL ALARMS V
NSN4940-00-994-1803
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LEAK DETECTOR,REFRIGERANT GAS TITLE COMPONENT PN 420805AAAA3 MFR LEAK DETECTOR,REFRIGER
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 120V,60HZ OR 240V,50HZ OPERATION;3 LEVEL SENSITIVITY;VINYL CASE;AUDIBLE AND VISUAL ALARMS V
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION120V,60HZ OR 240V,50HZ OPERATION;3 LEVEL SENSITIVITY;VINYL CASE;AUDIBLE AND VISUAL ALARMS V
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
H10Interchangeable
interchangeable cross-reference
interchangeable
C0NF12405AInterchangeable
interchangeable cross-reference
interchangeable
385411 R91Interchangeable
interchangeable cross-reference
interchangeable
70-95000-1003-6Interchangeable
interchangeable cross-reference
interchangeable
7000031087Interchangeable
interchangeable cross-reference
interchangeable
751-003022Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 420805AAAA3?
420805AAAA3 is a LEAK DETECTOR,REFRIGERANT GAS.
What parts can replace 420805AAAA3?
There are 21 known substitutes for 420805AAAA3: H10, C0NF12405A, 385411 R91 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 420805AAAA3?
420805AAAA3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4940-00-994-1803. 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