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PartsTable / COMPONENT / W20549
W20549 ✓ 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include color: COLORLESS, shape: ROUND, material: GLASS LOCATION NOT OTHERWISE SPECIFIED, body_width: 1.593 INCHES NOMINAL IN, glass_type: BOROSILICATE, body_height: 1.718 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-102-8635, 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
W20549
NSN: 5950-00-102-8635
FSC: 5950
CAGE: 65180 — UNISYS CORP SYSTEMS DEVELOPMENT (USA)
SPECIFICATIONS
colorCOLORLESS
shapeROUND
materialGLASS LOCATION NOT OTHERWISE SPECIFIED
body_width1.593 INCHES NOMINAL IN
glass_typeBOROSILICATE
body_height1.718 INCHES NOMINAL IN
body_length1.968 INCHES NOMINAL IN
closure_typeSCREW CAP
inclosure_typeHERMETICALLY SEALED
overall_height18.000 INCHES NOMINAL IN
capacity_rating16.0 OUNCES OZ
mounting_methodTHREADED HOLE(S) SINGLE GROUP
NSN5950-00-102-8635
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER AUTOTRANSFORME TITLE COMPONENT PN W20549 MFR TRANSFORMER,POWER AUTO
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 0.937 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
NOMINAL THREAD SIZE: 0.112 INCHES SINGLE GROUP IN
•
MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.937 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
NOMINAL THREAD SIZE0.112 INCHES SINGLE GROUP IN
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
INCLOSURE TYPEHERMETICALLY SEALED
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
BODY LENGTH1.968 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1289-5Interchangeable
interchangeable cross-reference
interchangeable
1288-5Interchangeable
interchangeable cross-reference
interchangeable
10287-51-1Interchangeable
interchangeable cross-reference
interchangeable
W20549Interchangeable
interchangeable cross-reference
interchangeable
2FA204Interchangeable
interchangeable cross-reference
interchangeable
41265Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W20549?
W20549 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace W20549?
There are 13 known substitutes for W20549: 1289-5, 1288-5, 10287-51-1 and 10 more. Substitute compatibility should be verified for your specific system.
Is W20549 still available?
W20549 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