PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 203-839
203-839 ✓ 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: 1.000 INCHES NOMINAL IN, body_height: 0.812 INCHES NOMINAL IN, body_length: 1.156 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 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 5950-00-822-0853, 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
203-839
NSN: 5950-00-822-0853
FSC: 5950
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
body_width1.000 INCHES NOMINAL IN
body_height0.812 INCHES NOMINAL IN
body_length1.156 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.125 INCHES NOMINAL SINGLE GROUP IN
winding_operating_voltage12.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity6 TAB, SOLDER LUG
winding_function_and_quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
NSN5950-00-822-0853
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 203-839 MFR TRANSFORMER,POWER
KEY FEATURES
•
WINDING OPERATING VOLTAGE: 11.32 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
BODY HEIGHT: 0.812 INCHES NOMINAL IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
MOUNTING HOLE DIAMETER: 0.125 INCHES NOMINAL SINGLE GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
WINDING OPERATING VOLTAGE11.32 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
BODY HEIGHT0.812 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL SINGLE GROUP IN
BODY WIDTH1.000 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY6 TAB, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
33351Interchangeable
interchangeable cross-reference
interchangeable
AN5773-1AInterchangeable
interchangeable cross-reference
interchangeable
649877Interchangeable
interchangeable cross-reference
interchangeable
33551Interchangeable
interchangeable cross-reference
interchangeable
730715Interchangeable
interchangeable cross-reference
interchangeable
012-1594Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 203-839?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 203-839?
203-839 is a TRANSFORMER,POWER.
What parts can replace 203-839?
There are 11 known substitutes for 203-839: 33351, AN5773-1A, 649877 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 203-839?
203-839 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-822-0853. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 203-839

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026