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Technical Data Sheet
138C645H01 ✓ 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 usage_design: OUTDOOR, arrester_type: AIR GAP, body_material: CERAMIC, terminal_type: FLANGE AND THREADED STUD, overall_height: 3.190 INCHES NOMINAL IN, mounting_method: HOLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-037-6801, 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 138C645H01
NSN: 5920-01-037-6801
FSC: 5920
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
usage_designOUTDOOR
arrester_typeAIR GAP
body_materialCERAMIC
terminal_typeFLANGE AND THREADED STUD
overall_height3.190 INCHES NOMINAL IN
mounting_methodHOLE
overall_diameter2.750 INCHES NOMINAL IN
breakdown_voltage6.000 KILOVOLTS MINIMUM AND 7.000 KILOVOLTS MAXIMUM
terminal_quantity2
mounting_configuration6 EQUALLY SPACED 0.177 IN. DIA MTG HOLES ON 2.380 IN. DIA BOLT CIRCLE IN
NSN5920-01-037-6801
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ARRESTER,ELECTRICAL SURGE TITLE COMPONENT PN 138C645H01 MFR ARRESTER,ELECTRICAL SU
KEY FEATURES
TERMINAL QUANTITY: 2
USAGE DESIGN: OUTDOOR
MOUNTING CONFIGURATION: 6 EQUALLY SPACED 0.177 IN. DIA MTG HOLES ON 2.380 IN. DIA BOLT CIRCLE IN
OVERALL DIAMETER: 2.750 INCHES NOMINAL IN
ARRESTER TYPE: AIR GAP
BODY MATERIAL: CERAMIC
BREAKDOWN VOLTAGE: 6.000 KILOVOLTS MINIMUM AND 7.000 KILOVOLTS MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL QUANTITY2
USAGE DESIGNOUTDOOR
MOUNTING CONFIGURATION6 EQUALLY SPACED 0.177 IN. DIA MTG HOLES ON 2.380 IN. DIA BOLT CIRCLE IN
OVERALL DIAMETER2.750 INCHES NOMINAL IN
ARRESTER TYPEAIR GAP
USAGE DESIGNFOR RADIO AND TRANSMITTING ANTENNA SYSTEMS
BODY MATERIALCERAMIC
BREAKDOWN VOLTAGE6.000 KILOVOLTS MINIMUM AND 7.000 KILOVOLTS MAXIMUM
OVERALL HEIGHT3.190 INCHES NOMINAL IN
MOUNTING METHODHOLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
AF251Interchangeable
interchangeable cross-reference
interchangeable
SA-258Interchangeable
interchangeable cross-reference
interchangeable
AR-104Interchangeable
interchangeable cross-reference
interchangeable
PCCK600S.70X7036Interchangeable
interchangeable cross-reference
interchangeable
190-3-07Interchangeable
interchangeable cross-reference
interchangeable
R663 3-8D2-0-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 138C645H01?
138C645H01 is a ARRESTER,ELECTRICAL SURGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 138C645H01?
There are 11 known substitutes for 138C645H01: AF251, SA-258, AR-104 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 138C645H01?
138C645H01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-037-6801. This indicates validated use in U.S. government and defense supply chains.
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