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51405 ✓ 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,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 1.250 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN, body_height: 1.620 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, body_length: 4.250 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, overall_length: 5.125 INCHES NOMINAL IN, mounting_method: THREADED BUSHING SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-701-0026, 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
51405
NSN: 5950-00-701-0026
FSC: 5950
CAGE: 04386 — MAGNETEK INC HUNTINGTON DIV (USA)
SPECIFICATIONS
body_width1.250 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN
body_height1.620 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
body_length4.250 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_length5.125 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.375 INCHES SINGLE GROUP IN
winding_power_rating840.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY OUTPUT
body_outside_diameter1.375 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms1000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
NSN5950-00-701-0026
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 51405 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
BODY WIDTH: 1.250 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN
•
BODY HEIGHT: 1.620 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
PRIMARY TO SECONDARY TURN RATIO: 1 TO 2 SINGLE COMPONENT
•
MAXIMUM TRANSFORMER POWER RATING: 2.0 MILLIWATTS SINGLE COMPONENT
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
INCLOSURE TYPEHERMETICALLY SEALED
BODY WIDTH1.250 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN
BODY HEIGHT1.620 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
RELIABILITY INDICATORNOT ESTABLISHED
PRIMARY TO SECONDARY TURN RATIO1 TO 2 SINGLE COMPONENT
MAXIMUM TRANSFORMER POWER RATING2.0 MILLIWATTS SINGLE COMPONENT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
THREAD QUANTITY PER INCH32 SINGLE GROUP
IMPEDANCE RATING IN OHMS1000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
WINDING OPERATING CURRENT3.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4217Interchangeable
interchangeable cross-reference
interchangeable
217GInterchangeable
interchangeable cross-reference
interchangeable
217LInterchangeable
interchangeable cross-reference
interchangeable
BEX4163Interchangeable
interchangeable cross-reference
interchangeable
N13338PC4217Interchangeable
interchangeable cross-reference
interchangeable
76F161Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51405?
51405 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 51405?
There are 18 known substitutes for 51405: 4217, 217G, 217L and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51405?
51405 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-701-0026. 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