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PartsTable / COMPONENT / 1091AS139
1091AS139 ✓ 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: 2.000 INCHES MAXIMUM IN, body_height: 3.700 INCHES MAXIMUM IN, body_length: 2.600 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 60.0 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 5950-01-116-0905, 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
1091AS139
NSN: 5950-01-116-0905
FSC: 5950
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
body_width2.000 INCHES MAXIMUM IN
body_height3.700 INCHES MAXIMUM IN
body_length2.600 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp105.0 CELSIUS DEGC
mounting_hole_diameter0.171 INCHES MINIMUM AND 0.178 INCHES MAXIMUM SINGLE GROUP IN
winding_operating_voltage9.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
mounting_facility_quantity4 SINGLE GROUP
terminal_type_and_quantity7 TAB, SOLDER LUG
NSN5950-01-116-0905
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 1091AS139 MFR TRANSFORMER,POWER
KEY FEATURES
•
BODY LENGTH: 2.600 INCHES MAXIMUM IN
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
TERMINAL TYPE AND QUANTITY: 7 TAB, SOLDER LUG
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
•
FREQUENCY RATING: 60.0 HERTZ NOMINAL SINGLE COMPONENT
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
BODY HEIGHT: 3.700 INCHES MAXIMUM IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
BODY LENGTH2.600 INCHES MAXIMUM IN
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY7 TAB, SOLDER LUG
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
FREQUENCY RATING60.0 HERTZ NOMINAL SINGLE COMPONENT
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
BODY HEIGHT3.700 INCHES MAXIMUM IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
WINDING OPERATING VOLTAGE9.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
55455Interchangeable
interchangeable cross-reference
interchangeable
52875Interchangeable
interchangeable cross-reference
interchangeable
140-1578-02-01-00Interchangeable
interchangeable cross-reference
interchangeable
1578-2Interchangeable
interchangeable cross-reference
interchangeable
1391B-1Interchangeable
interchangeable cross-reference
interchangeable
71161403Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1091AS139?
1091AS139 is a TRANSFORMER,POWER.
What parts can replace 1091AS139?
There are 10 known substitutes for 1091AS139: 55455, 52875, 140-1578-02-01-00 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1091AS139?
1091AS139 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-116-0905. 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