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Technical Data Sheet
221-001-155 ✓ 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: 10.500 INCHES NOMINAL IN, body_height: 20.560 INCHES NOMINAL IN, body_length: 12.620 INCHES NOMINAL IN, cooling_method: SELF-COOLED, inclosure_type: FULLY INCLOSED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-973-2112, 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
221-001-155
NSN: 5950-00-973-2112
FSC: 5950
CAGE: 0A9H4 — JEFFERSON ELECTRIC INC DIV OF MAGNETEK INC (USA)
SPECIFICATIONS
body_width10.500 INCHES NOMINAL IN
body_height20.560 INCHES NOMINAL IN
body_length12.620 INCHES NOMINAL IN
cooling_methodSELF-COOLED
inclosure_typeFULLY INCLOSED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresWEAPON SYSTEM ESSENTIAL
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.434 INCHES NOMINAL SINGLE GROUP IN
end_item_identificationARLEIGH BURKE CLASS DDG, OLIVER PERRY CLASS FFG, SPRUANCE CLASS DD (963), FORRESTAL CLASS CV, NIMITZ CLASS CVN, TICONDEROGA CLASS CG (47), WASP CLASS LHD, KIDD CLASS DDG.
winding_operating_voltage450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
NSN5950-00-973-2112
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 221-001-155 MFR TRANSFORMER,POWER
KEY FEATURES
CRITICALITY CODE JUSTIFICATION: FEAT
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
WINDING OPERATING VOLTAGE: 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MAXIMUM TRANSFORMER POWER RATING: 25.0 KILOVOLT-AMPERE SINGLE COMPONENT
COOLING METHOD: SELF-COOLED
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATIONFEAT
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
WINDING OPERATING VOLTAGE120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MAXIMUM TRANSFORMER POWER RATING25.0 KILOVOLT-AMPERE SINGLE COMPONENT
COOLING METHODSELF-COOLED
DISTANCE BETWEEN MOUNTING FACILITY CENTERS7.400 INCHES NOMINAL AND 10.020 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY LENGTH12.620 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
9T11Y5538Interchangeable
interchangeable cross-reference
interchangeable
W8118371AC2Interchangeable
interchangeable cross-reference
interchangeable
10-1812Interchangeable
interchangeable cross-reference
interchangeable
3300539Interchangeable
interchangeable cross-reference
interchangeable
221-001-260Interchangeable
interchangeable cross-reference
interchangeable
NBA61-512-214GRP4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 221-001-155?
221-001-155 is a TRANSFORMER,POWER.
What parts can replace 221-001-155?
There are 28 known substitutes for 221-001-155: 9T11Y5538, W8118371AC2, 10-1812 and 25 more. Substitute compatibility should be verified for your specific system.
Is 221-001-155 still available?
221-001-155 is currently cancelled.
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