PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5631-2K
5631-2K ✓ 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_length: 1.875 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ MINIMUM AND 25.0 KILOHERTZ MAXIMUM SINGLE COMPONENT, nominal_thread_size: 0.099 INCHES SINGLE GROUP IN, body_outside_diameter: 1.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-153-5745, 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
5631-2K
NSN: 5950-00-153-5745
FSC: 5950
CAGE: 00781 — CESSNA AIRCRAFT CO ARC AVIONICS DIV (USA)
SPECIFICATIONS
body_length1.875 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ MINIMUM AND 25.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.099 INCHES SINGLE GROUP IN
body_outside_diameter1.625 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms150000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
thread_quantity_per_inch48 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
mounting_facility_quantity3 SINGLE GROUP
NSN5950-00-153-5745
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 5631-2K MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
PRIMARY TO SECONDARY TURN RATIO: 1 TO 8 SINGLE COMPONENT
•
NOMINAL THREAD SIZE: 0.099 INCHES SINGLE GROUP IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
•
BODY LENGTH: 1.875 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 48 SINGLE GROUP
•
IMPEDANCE RATING IN OHMS: 150000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TECHNICAL CHARACTERISTICS (FLIS)
PRIMARY TO SECONDARY TURN RATIO1 TO 8 SINGLE COMPONENT
NOMINAL THREAD SIZE0.099 INCHES SINGLE GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
BODY OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
BODY LENGTH1.875 INCHES NOMINAL IN
THREAD QUANTITY PER INCH48 SINGLE GROUP
IMPEDANCE RATING IN OHMS150000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TERMINAL TYPE AND QUANTITY5 TAB, SOLDER LUG
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MR1908DInterchangeable
interchangeable cross-reference
interchangeable
40631Interchangeable
interchangeable cross-reference
interchangeable
MR1908D2Interchangeable
interchangeable cross-reference
interchangeable
406312Interchangeable
Same NIIN cross-reference
interchangeable
BX17-35Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5631-2K?
5631-2K is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 5631-2K?
There are 5 known substitutes for 5631-2K: MR1908D, 40631, MR1908D2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5631-2K?
5631-2K is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-153-5745. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026