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Technical Data Sheet
PartsTable / COMPONENT / L640A15
L640A15 ✓ 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 inclosure_type: HERMETICALLY SEALED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT, reliability_indicator: NOT ESTABLISHED, mounting_hole_diameter: 0.375 INCHES NOMINAL SINGLE GROUP IN, mounting_facility_quantity: 4 SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-325-9452, 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
L640A15
NSN: 5950-01-325-9452
FSC: 5950
CAGE: 97E38 — AQ TRANSFORMER SOLUTIONS INC. (USA)
SPECIFICATIONS
inclosure_typeHERMETICALLY SEALED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.375 INCHES NOMINAL SINGLE GROUP IN
mounting_facility_quantity4 SINGLE GROUP
nondefinitive_spec/std_data4 GROUP
winding_function_and_quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
center_to_center_distance_between_mounting_facilities_parallel_to_width8.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
center_to_center_distance_between_mounting_facilities_parallel_to_length6.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
NSN5950-01-325-9452
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN L640A15 MFR TRANSFORMER,POWER
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 8.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
•
MOUNTING HOLE DIAMETER: 0.375 INCHES NOMINAL SINGLE GROUP IN
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 6.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
WINDING FUNCTION AND QUANTITY: 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH8.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
MOUNTING HOLE DIAMETER0.375 INCHES NOMINAL SINGLE GROUP IN
INCLOSURE TYPEHERMETICALLY SEALED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH6.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
NONDEFINITIVE SPEC/STD DATA4 GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
1820-0274Interchangeable
interchangeable cross-reference
interchangeable
025734Interchangeable
interchangeable cross-reference
interchangeable
SW1668Interchangeable
interchangeable cross-reference
interchangeable
8962Interchangeable
interchangeable cross-reference
interchangeable
357Interchangeable
interchangeable cross-reference
interchangeable
221168Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L640A15?
L640A15 is a TRANSFORMER,POWER.
What parts can replace L640A15?
There are 29 known substitutes for L640A15: 1820-0274, 025734, SW1668 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L640A15?
L640A15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-325-9452. 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