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PartsTable / COMPONENT / 1981606
1981606 ✓ 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include body_width: 1.531 INCHES MINIMUM AND 1.594 INCHES MAXIMUM IN, body_height: 1.718 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN, body_length: 1.906 INCHES MINIMUM AND 1.969 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, 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 5950-00-799-7560, 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
1981606
NSN: 5950-00-799-7560
FSC: 5950
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
body_width1.531 INCHES MINIMUM AND 1.594 INCHES MAXIMUM IN
body_height1.718 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
body_length1.906 INCHES MINIMUM AND 1.969 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
voltage_in_volts12.0
battery_electrolyteLEAD ACID
nominal_thread_size0.112 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp105.0 CELSIUS DEGC
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
NSN5950-00-799-7560
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER AUTOTRANSFORME TITLE COMPONENT PN 1981606 MFR TRANSFORMER,POWER AUTO
KEY FEATURES
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
WINDING OPERATING VOLTAGE: 1.80 AC VOLTS NOMINAL AND 12.84 AC VOLTS NOMINAL AND 16.28 AC VOLTS NOMINAL AND 18.53 AC VOLTS NOMINAL AND 19.20 AC VOLTS NOMINAL AND 20.10 AC VOLTS NOMINAL AND 30.00 AC VOLTS NOMINAL AND 30.60 AC VOLTS NOMINAL AND 33.00 AC VOLTS NOMINAL AND 34.73 AC VOLTS NOMINAL AND 34.80 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP
•
MAXIMUM OPERATING TEMP: 105.0 CELSIUS DEGC
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
WINDING OPERATING VOLTAGE1.80 AC VOLTS NOMINAL AND 12.84 AC VOLTS NOMINAL AND 16.28 AC VOLTS NOMINAL AND 18.53 AC VOLTS NOMINAL AND 19.20 AC VOLTS NOMINAL AND 20.10 AC VOLTS NOMINAL AND 30.00 AC VOLTS NOMINAL AND 30.60 AC VOLTS NOMINAL AND 33.00 AC VOLTS NOMINAL AND 34.73 AC VOLTS NOMINAL AND 34.80 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
RELIABILITY INDICATORNOT ESTABLISHED
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
MAXIMUM OPERATING TEMP105.0 CELSIUS DEGC
WINDING OPERATING VOLTAGE60.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
BODY HEIGHT1.718 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
M3638Interchangeable
interchangeable cross-reference
interchangeable
AF-464Interchangeable
interchangeable cross-reference
interchangeable
2304Interchangeable
interchangeable cross-reference
interchangeable
A276CInterchangeable
interchangeable cross-reference
interchangeable
3-5132P2Interchangeable
interchangeable cross-reference
interchangeable
U3-5163P2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1981606?
1981606 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 1981606?
There are 23 known substitutes for 1981606: M3638, AF-464, 2304 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1981606?
1981606 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-799-7560. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026