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Technical Data Sheet
PartsTable / MRO / 7A11805H03
7A11805H03 ✓ 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 ARRESTER,ELECTRICAL SURGE is a the manufacturer industrial component. Key specifications include end_item_identification: WEATHER SYSTEMS PROCESSOR (WSP). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-146-4109, 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→ 7A11805H03
NSN: 5920-00-146-4109
FSC: 5920
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
end_item_identificationWEATHER SYSTEMS PROCESSOR (WSP)
NSN5920-00-146-4109
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ARRESTER,ELECTRICAL SURGE TITLE COMPONENT PN 7A11805H03 MFR ARRESTER,ELECTRICAL SU
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONWEATHER SYSTEMS PROCESSOR (WSP)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
8226Interchangeable
interchangeable cross-reference
interchangeable
9226Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-18/53Interchangeable
interchangeable cross-reference
interchangeable
G-3Interchangeable
interchangeable cross-reference
interchangeable
879-1Interchangeable
interchangeable cross-reference
interchangeable
6630Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7A11805H03?
7A11805H03 is a ARRESTER,ELECTRICAL SURGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7A11805H03?
There are 14 known substitutes for 7A11805H03: 8226, 9226, MIL-B-18/53 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7A11805H03?
7A11805H03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-146-4109. 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