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1277291 ✓ 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: 0.969 INCHES NOMINAL IN, body_length: 1.156 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, 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 5950-00-896-9577, 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
1277291
NSN: 5950-00-896-9577
FSC: 5950
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
body_width1.000 INCHES NOMINAL IN
body_height0.969 INCHES NOMINAL IN
body_length1.156 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
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_current0.2 MICROAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage0.05 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity5 TAB, SOLDER LUG
NSN5950-00-896-9577
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 1277291 MFR TRANSFORMER,POWER
KEY FEATURES
•
WINDING OPERATING VOLTAGE: 0.05 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
BODY HEIGHT: 0.969 INCHES NOMINAL IN
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
TERMINAL TYPE AND QUANTITY: 5 TAB, SOLDER LUG
•
WINDING OPERATING CURRENT: 0.2 MICROAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
TECHNICAL CHARACTERISTICS (FLIS)
WINDING OPERATING VOLTAGE0.05 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
RELIABILITY INDICATORNOT ESTABLISHED
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
BODY HEIGHT0.969 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
WINDING OPERATING VOLTAGE0.05 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
TERMINAL TYPE AND QUANTITY5 TAB, SOLDER LUG
WINDING OPERATING CURRENT0.2 MICROAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
BODY WIDTH1.000 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
29041Interchangeable
interchangeable cross-reference
interchangeable
379504Interchangeable
interchangeable cross-reference
interchangeable
ZB0379504Interchangeable
interchangeable cross-reference
interchangeable
15024244Interchangeable
interchangeable cross-reference
interchangeable
1042FPC2Interchangeable
interchangeable cross-reference
interchangeable
8030PL0843131Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1277291?
1277291 is a TRANSFORMER,POWER.
What parts can replace 1277291?
There are 9 known substitutes for 1277291: 29041, 379504, ZB0379504 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1277291?
1277291 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-896-9577. 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