PartsTable
Technical Data Sheet
PartsTable / MRO / 334-653
334-653 ✓ 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: INDOOR AND OUTDOOR, arrester_type: AIR GAP, terminal_type: THREADED STUD, overall_length: 1.000 INCHES NOMINAL IN, mounting_method: TERMINAL, overall_diameter: 0.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-00-007-4791, 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→ 334-653
NSN: 2940-00-007-4791
FSC: 2940
CAGE: 1U777 — CHAMPION LABORATORIES INC (USA)
SPECIFICATIONS
usage_designINDOOR AND OUTDOOR
arrester_typeAIR GAP
terminal_typeTHREADED STUD
overall_length1.000 INCHES NOMINAL IN
mounting_methodTERMINAL
overall_diameter0.875 INCHES NOMINAL IN
breakdown_voltage400.000 VOLTS NOMINAL
terminal_quantity2
NSN2940-00-007-4791
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ARRESTER,ELECTRICAL SURGE TITLE COMPONENT PN 334-653 MFR ARRESTER,ELECTRICAL SU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
51243Interchangeable
interchangeable cross-reference
interchangeable
S1243Interchangeable
interchangeable cross-reference
interchangeable
1243Interchangeable
interchangeable cross-reference
interchangeable
334-653Interchangeable
interchangeable cross-reference
interchangeable
PH20Interchangeable
interchangeable cross-reference
interchangeable
664340Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 334-653?
334-653 is a ARRESTER,ELECTRICAL SURGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 334-653?
There are 22 known substitutes for 334-653: 51243, S1243, 1243 and 19 more. Substitute compatibility should be verified for your specific system.
Is 334-653 still available?
334-653 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