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1778434-1 — TRANSFORMER,POWER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1778434-1: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 1.297 INCHES MINIMUM AND 1.329 INCHES MAXIMUM IN, body_height: 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN, body_length: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-775-9228, 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
1778434-1
NSN: 5950-00-775-9228
FSC: 5950 — Coils and Transformers
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
body_width1.297 INCHES MINIMUM AND 1.329 INCHES MAXIMUM IN
body_height1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
body_length1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM SINGLE GROUP IN
winding_shielding_methodEXTERNAL INCLOSURE SINGLE COMPONENT
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity7 TURRET
winding_function_and_quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
input-output_phase_relationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
NSN5950-00-775-9228
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 1778434-1 MFR TRANSFORMER,POWER
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
INCLOSURE TYPE: FULLY INCLOSED
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
•
BODY WIDTH: 1.297 INCHES MINIMUM AND 1.329 INCHES MAXIMUM IN
•
BODY HEIGHT: 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
•
MOUNTING HOLE DIAMETER: 0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM SINGLE GROUP IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
INCLOSURE TYPEFULLY INCLOSED
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
BODY WIDTH1.297 INCHES MINIMUM AND 1.329 INCHES MAXIMUM IN
BODY HEIGHT1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM SINGLE GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
WINDING SHIELDING METHODEXTERNAL INCLOSURE SINGLE COMPONENT
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.182 INCHES MINIMUM AND 1.192 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
OTHER ITEMS IN FSC 5950 — Coils and Transformers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5950-00-000-0146 5950-00-001-1372 5950-00-001-1386 5950-00-001-1410 5950-00-001-1411 5950-00-001-1412 5950-00-001-1413 5950-00-001-1414
SUBSTITUTES & CROSS-REFERENCES 1
K-6700Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1778434-1?
1778434-1 is a TRANSFORMER,POWER.
What parts can replace 1778434-1?
There is 1 known substitute for 1778434-1: K-6700. Substitute compatibility should be verified for your specific system.
What is the NSN for 1778434-1?
1778434-1 is cataloged in the U.S. Government catalog under NSN 5950-00-775-9228. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.