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PartsTable / COMPONENT / 81818-01
81818-01 ✓ 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: 1.219 INCHES NOMINAL IN, body_height: 0.938 INCHES NOMINAL IN, body_length: 1.141 INCHES MAXIMUM IN, inclosure_type: OPEN, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM 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 5950-00-648-6490, 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
81818-01
NSN: 5950-00-648-6490
FSC: 5950
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
body_width1.219 INCHES NOMINAL IN
body_height0.938 INCHES NOMINAL IN
body_length1.141 INCHES MAXIMUM IN
inclosure_typeOPEN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.125 INCHES NOMINAL SINGLE GROUP IN
impedance_rating_in_ohms48.5 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity5 TAB, SOLDER LUG
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
NSN5950-00-648-6490
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 81818-01 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
FREQUENCY RATING: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
•
IMPEDANCE RATING IN OHMS: 48.5 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
•
BODY LENGTH: 1.141 INCHES MAXIMUM IN
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
BODY HEIGHT: 0.938 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.125 INCHES NOMINAL SINGLE GROUP IN
•
BODY WIDTH: 1.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FREQUENCY RATING380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
IMPEDANCE RATING IN OHMS48.5 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
BODY LENGTH1.141 INCHES MAXIMUM IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY HEIGHT0.938 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL SINGLE GROUP IN
BODY WIDTH1.219 INCHES NOMINAL IN
IMPEDANCE RATING IN OHMS920.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TERMINAL TYPE AND QUANTITY5 TAB, SOLDER LUG
INCLOSURE TYPEOPEN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
04207Interchangeable
interchangeable cross-reference
interchangeable
550 18Interchangeable
interchangeable cross-reference
interchangeable
33946Interchangeable
interchangeable cross-reference
interchangeable
730590-K1Interchangeable
interchangeable cross-reference
interchangeable
8-18-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81818-01?
81818-01 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 81818-01?
There are 5 known substitutes for 81818-01: 04207, 550 18, 33946 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81818-01?
81818-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-648-6490. 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