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Technical Data Sheet
PartsTable / COMPONENT / 8186742
8186742 ✓ 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 ARRESTER,ELECTRICAL SURGE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: HOLE MOUNTED, body_width: 0.250 INCHES NOMINAL IN, body_height: 0.390 INCHES NOMINAL IN, body_length: 0.780 INCHES NOMINAL IN, usage_design: INDOOR AND OUTDOOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-837-6125, 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
8186742
NSN: 5940-00-837-6125
FSC: 5940
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleHOLE MOUNTED
body_width0.250 INCHES NOMINAL IN
body_height0.390 INCHES NOMINAL IN
body_length0.780 INCHES NOMINAL IN
usage_designINDOOR AND OUTDOOR
arrester_typeSELENIUM
bore_diameter200.0 MILLIMETERS NOMINAL MM
overall_width0.594 INCHES NOMINAL IN
terminal_typeSOLDER LUG
actuator_styleROUND
inclosure_typeFULLY INCLOSED
NSN5940-00-837-6125
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ARRESTER,ELECTRICAL SURGE TITLE COMPONENT PN 8186742 MFR ARRESTER,ELECTRICAL SU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
A540T053-102Interchangeable
interchangeable cross-reference
interchangeable
3151678Interchangeable
interchangeable cross-reference
interchangeable
STSMTURSNWHITEInterchangeable
interchangeable cross-reference
interchangeable
165-274Interchangeable
interchangeable cross-reference
interchangeable
12-1394Interchangeable
interchangeable cross-reference
interchangeable
13201-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8186742?
8186742 is a ARRESTER,ELECTRICAL SURGE.
What parts can replace 8186742?
There are 27 known substitutes for 8186742: A540T053-102, 3151678, STSMTURSNWHITE and 24 more. Substitute compatibility should be verified for your specific system.
Is 8186742 still available?
8186742 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