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Technical Data Sheet
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627438 — Technical Data Sheet

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— · 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_width: 2.875 INCHES NOMINAL IN, body_height: 5.188 INCHES NOMINAL IN, body_length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.781 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5950-00-518-0238, 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→ 627438
NSN: 5950-00-518-0238
FSC: 5950
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_width2.875 INCHES NOMINAL IN
body_height5.188 INCHES NOMINAL IN
body_length0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
shaft_length0.781 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN
actuator_typeSINGLE SHAFT
body_diameter0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
shaft_diameter0.2494 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
mounting_methodSTANDARD BUSHING
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
NSN5950-00-518-0238
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 627438 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
WINDING OPERATING VOLTAGE: 50.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
•
FREQUENCY RATING: 60.0 HERTZ NOMINAL SINGLE COMPONENT
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
BODY HEIGHT: 5.188 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 7 SOLDER STUD
•
BODY LENGTH: 5.750 INCHES NOMINAL IN
•
INPUT-OUTPUT PHASE RELATIONSHIP: THREE PHASE TO TWO PHASE SINGLE COMPONENT
TECHNICAL CHARACTERISTICS
WINDING OPERATING VOLTAGE50.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
FREQUENCY RATING60.0 HERTZ NOMINAL SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
BODY HEIGHT5.188 INCHES NOMINAL IN
WINDING OPERATING VOLTAGE90.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TERMINAL TYPE AND QUANTITY7 SOLDER STUD
BODY LENGTH5.750 INCHES NOMINAL IN
INPUT-OUTPUT PHASE RELATIONSHIPTHREE PHASE TO TWO PHASE SINGLE COMPONENT
INCLOSURE TYPEHERMETICALLY SEALED
BODY WIDTH2.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
R-301MInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E3K-MInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
88-14800InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SP313InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
859708InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SP-313 1.000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 627438?
627438 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 627438?
There are 9 known substitutes for 627438: R-301M, E3K-M, 88-14800 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 627438?
627438 is cataloged in the Federal Logistics Information System under NSN 5950-00-518-0238. 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: October 2026