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618651 ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 1.031 INCHES NOMINAL IN, body_height: 1.187 INCHES NOMINAL IN, body_length: 1.093 INCHES NOMINAL IN, inclosure_type: OPEN, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-678-2514, 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
618651
NSN: 5950-00-678-2514
FSC: 5950
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
body_width1.031 INCHES NOMINAL IN
body_height1.187 INCHES NOMINAL IN
body_length1.093 INCHES NOMINAL IN
inclosure_typeOPEN
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.112 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch40 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
winding_operating_current200.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
NSN5950-00-678-2514
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 618651 MFR TRANSFORMER,POWER
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP
•
WINDING SHIELDING METHOD: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
•
THREAD QUANTITY PER INCH: 40 SINGLE GROUP
•
BODY HEIGHT: 1.187 INCHES NOMINAL IN
•
WINDING OPERATING VOLTAGE: 0.99 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 0.593 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
WINDING SHIELDING METHODINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
THREAD QUANTITY PER INCH40 SINGLE GROUP
BODY HEIGHT1.187 INCHES NOMINAL IN
WINDING OPERATING VOLTAGE0.99 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
DISTANCE BETWEEN MOUNTING FACILITY CENTERS0.593 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
RELIABILITY INDICATORNOT ESTABLISHED
BODY LENGTH1.093 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3240Interchangeable
interchangeable cross-reference
interchangeable
WWN351TYPEAInterchangeable
interchangeable cross-reference
interchangeable
A733S-264CFGInterchangeable
interchangeable cross-reference
interchangeable
ASTM-A733Interchangeable
interchangeable cross-reference
interchangeable
2397-AInterchangeable
interchangeable cross-reference
interchangeable
172-84Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 618651?
618651 is a TRANSFORMER,POWER.
What parts can replace 618651?
There are 12 known substitutes for 618651: 3240, WWN351TYPEA, A733S-264CFG and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 618651?
618651 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-678-2514. 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