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PartsTable / COMPONENT / ES691027
ES691027 ✓ 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: 1.562 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, body_outside_diameter: 1.562 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, mounting_hole_diameter: 0.120 INCHES NOMINAL SINGLE GROUP IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-645-5529, 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
ES691027
NSN: 5950-00-645-5529
FSC: 5950
CAGE: 70408 — AT AND T CORP (USA)
SPECIFICATIONS
body_length1.562 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
body_outside_diameter1.562 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.120 INCHES NOMINAL SINGLE GROUP IN
impedance_rating_in_ohms300.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity3 SINGLE GROUP
terminal_type_and_quantity4 SOLDER STUD
mounting_bolt_circle_diameter1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
primary_to_secondary_turn_ratio1 TO 8 SINGLE COMPONENT
NSN5950-00-645-5529
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN ES691027 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
IMPEDANCE RATING IN OHMS: 300.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
•
MOUNTING FACILITY QUANTITY: 3 SINGLE GROUP
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
TERMINAL TYPE AND QUANTITY: 4 SOLDER STUD
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
MOUNTING HOLE DIAMETER: 0.120 INCHES NOMINAL SINGLE GROUP IN
•
BODY OUTSIDE DIAMETER: 1.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
IMPEDANCE RATING IN OHMS300.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
MOUNTING FACILITY QUANTITY3 SINGLE GROUP
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY4 SOLDER STUD
INCLOSURE TYPEHERMETICALLY SEALED
MOUNTING HOLE DIAMETER0.120 INCHES NOMINAL SINGLE GROUP IN
BODY OUTSIDE DIAMETER1.562 INCHES NOMINAL IN
MOUNTING BOLT CIRCLE DIAMETER1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY LENGTH1.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
F-155500PC19-27Interchangeable
interchangeable cross-reference
interchangeable
F15500PC19-27Interchangeable
interchangeable cross-reference
interchangeable
A-15563Interchangeable
interchangeable cross-reference
interchangeable
7748640Interchangeable
interchangeable cross-reference
interchangeable
4217742Interchangeable
interchangeable cross-reference
interchangeable
2AE269Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ES691027?
ES691027 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace ES691027?
There are 14 known substitutes for ES691027: F-155500PC19-27, F15500PC19-27, A-15563 and 11 more. Substitute compatibility should be verified for your specific system.
Is ES691027 still available?
ES691027 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026