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PartsTable / COMPONENT / PEI 7859
PEI 7859 ✓ 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: 3.375 INCHES NOMINAL IN, body_height: 1.650 INCHES MAXIMUM IN, body_length: 3.725 INCHES NOMINAL IN, inclosure_type: OPEN, mounting_method: 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 5950-01-134-1270, 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
PEI 7859
NSN: 5950-01-134-1270
FSC: 5950
CAGE: 13483 — PRECISION ELECTRONICS, INC (USA)
SPECIFICATIONS
body_width3.375 INCHES NOMINAL IN
body_height1.650 INCHES MAXIMUM IN
body_length3.725 INCHES NOMINAL IN
inclosure_typeOPEN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp130.0 CELSIUS DEGC
mounting_hole_diameter0.158 INCHES NOMINAL SINGLE GROUP IN
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
winding_operating_current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
NSN5950-01-134-1270
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN PEI 7859 MFR TRANSFORMER,POWER
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING OPERATING VOLTAGE: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
BODY WIDTH: 3.375 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 8 TAB, SOLDER LUG
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
BODY LENGTH: 3.725 INCHES NOMINAL IN
•
INCLOSURE TYPE: OPEN
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
BODY WIDTH3.375 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY8 TAB, SOLDER LUG
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
BODY LENGTH3.725 INCHES NOMINAL IN
INCLOSURE TYPEOPEN
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
BODY HEIGHT1.650 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
M249882-503Interchangeable
interchangeable cross-reference
interchangeable
43915Interchangeable
interchangeable cross-reference
interchangeable
M249882PC10SUB3Interchangeable
interchangeable cross-reference
interchangeable
4-4-250Interchangeable
interchangeable cross-reference
interchangeable
4-4-553Interchangeable
interchangeable cross-reference
interchangeable
855-44553Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PEI 7859?
PEI 7859 is a TRANSFORMER,POWER.
What parts can replace PEI 7859?
There are 15 known substitutes for PEI 7859: M249882-503, 43915, M249882PC10SUB3 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PEI 7859?
PEI 7859 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-134-1270. 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