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256870 — TRANSFORMER,POWER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

256870: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 2.719 INCHES NOMINAL IN, body_length: 3.750 INCHES NOMINAL IN, inclosure_type: OPEN, overall_height: 2.250 INCHES NOMINAL IN, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-019-3008, 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
256870
NSN: 5950-00-019-3008
NIINs: 000193008, 013810037
FSC: 5950 — Coils and Transformers
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
body_width2.719 INCHES NOMINAL IN
body_length3.750 INCHES NOMINAL IN
inclosure_typeOPEN
overall_height2.250 INCHES NOMINAL IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
mounting_hole_diameter0.196 INCHES NOMINAL SINGLE GROUP IN
winding_shielding_methodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
mounting_facility_quantity8 SINGLE GROUP
terminal_type_and_quantity7 TURRET
input-output_phase_relationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
NSN5950-00-019-3008
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 256870 MFR TRANSFORMER,POWER
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 8 SINGLE GROUP
•
INCLOSURE TYPE: OPEN
•
INPUT-OUTPUT PHASE RELATIONSHIP: THREE PHASE TO THREE PHASE SINGLE COMPONENT
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
BODY WIDTH: 2.719 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.196 INCHES NOMINAL SINGLE GROUP IN
•
WINDING SHIELDING METHOD: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.250 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY8 SINGLE GROUP
INCLOSURE TYPEOPEN
INPUT-OUTPUT PHASE RELATIONSHIPTHREE PHASE TO THREE PHASE SINGLE COMPONENT
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
BODY WIDTH2.719 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.196 INCHES NOMINAL SINGLE GROUP IN
WINDING SHIELDING METHODINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
BODY LENGTH3.750 INCHES NOMINAL IN
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
SUBSTITUTES & CROSS-REFERENCES 1
10177824Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 256870?
256870 is a TRANSFORMER,POWER.
What parts can replace 256870?
There is 1 known substitute for 256870: 10177824. Substitute compatibility should be verified for your specific system.
What is the NSN for 256870?
256870 is cataloged in the U.S. Government catalog under NSN 5950-00-019-3008. 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.