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Technical Data Sheet
SM-A-778158 ✓ 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: 2.500 INCHES NOMINAL IN, body_height: 4.170 INCHES NOMINAL IN, body_length: 3.300 INCHES NOMINAL IN, inclosure_type: OPEN, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 2500.0 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 5950-01-056-1018, 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
SM-A-778158
NSN: 5950-01-056-1018
FSC: 5950
CAGE: 49671 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN (USA)
SPECIFICATIONS
body_width2.500 INCHES NOMINAL IN
body_height4.170 INCHES NOMINAL IN
body_length3.300 INCHES NOMINAL IN
inclosure_typeOPEN
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating2500.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.164 INCHES SINGLE GROUP IN
winding_power_rating655.0 WATTS SINGLE COMPONENT SINGLE SECONDARY
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current460.0 MICROAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage145.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
NSN5950-01-056-1018
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN SM-A-778158 MFR TRANSFORMER,POWER
KEY FEATURES
WINDING POWER RATING: 655.0 WATTS SINGLE COMPONENT SINGLE SECONDARY
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
BODY WIDTH: 2.500 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
BODY LENGTH: 3.300 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
NOMINAL THREAD SIZE: 0.164 INCHES SINGLE GROUP IN
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
WINDING POWER RATING655.0 WATTS SINGLE COMPONENT SINGLE SECONDARY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
BODY WIDTH2.500 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
BODY LENGTH3.300 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32 SINGLE GROUP
NOMINAL THREAD SIZE0.164 INCHES SINGLE GROUP IN
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
INCLOSURE TYPEOPEN
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
164963Interchangeable
interchangeable cross-reference
interchangeable
14893Interchangeable
interchangeable cross-reference
interchangeable
52933Interchangeable
interchangeable cross-reference
interchangeable
530001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-A-778158?
SM-A-778158 is a TRANSFORMER,POWER.
What parts can replace SM-A-778158?
There are 4 known substitutes for SM-A-778158: 164963, 14893, 52933 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-A-778158?
SM-A-778158 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-056-1018. This indicates validated use in U.S. government and defense supply chains.
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