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PartsTable / COMPONENT / D178718
D178718 ✓ 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,POWER is a the manufacturer industrial component. Key specifications include body_width: 6.906 INCHES NOMINAL IN, body_height: 8.312 INCHES NOMINAL IN, body_length: 8.250 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 60.0 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 5950-00-249-3195, 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
D178718
NSN: 5950-00-249-3195
FSC: 5950
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
body_width6.906 INCHES NOMINAL IN
body_height8.312 INCHES NOMINAL IN
body_length8.250 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.875 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch16 SINGLE GROUP
thread_series_designatorUN SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
winding_operating_current1.28 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
NSN5950-00-249-3195
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN D178718 MFR TRANSFORMER,POWER
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.875 INCHES SINGLE GROUP IN
•
TERMINAL TYPE AND QUANTITY: 10 STANDOFF INSULATOR
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 6.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
WINDING OPERATING VOLTAGE: 104.00 AC VOLTS NOMINAL AND 109.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 121.00 AC VOLTS NOMINAL AND 127.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
FREQUENCY RATING: 60.0 HERTZ NOMINAL SINGLE COMPONENT
•
WINDING OPERATING CURRENT: 1.28 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.875 INCHES SINGLE GROUP IN
TERMINAL TYPE AND QUANTITY10 STANDOFF INSULATOR
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH6.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
WINDING OPERATING VOLTAGE104.00 AC VOLTS NOMINAL AND 109.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 121.00 AC VOLTS NOMINAL AND 127.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
RELIABILITY INDICATORNOT ESTABLISHED
FREQUENCY RATING60.0 HERTZ NOMINAL SINGLE COMPONENT
WINDING OPERATING CURRENT1.28 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
BODY WIDTH6.906 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
496Interchangeable
interchangeable cross-reference
interchangeable
0211575-6Interchangeable
interchangeable cross-reference
interchangeable
202564Interchangeable
interchangeable cross-reference
interchangeable
2221146Interchangeable
interchangeable cross-reference
interchangeable
048-7892Interchangeable
interchangeable cross-reference
interchangeable
02-2521Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D178718?
D178718 is a TRANSFORMER,POWER.
What parts can replace D178718?
There are 7 known substitutes for D178718: 496, 0211575-6, 202564 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D178718?
D178718 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-249-3195. 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