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Technical Data Sheet
43872 ✓ 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 material: LEATHER SEALING ELEMENT, body_width: 2.700 INCHES NOMINAL IN, case_style: SQUARE, seal_width: 0.500 INCHES NOMINAL IN, body_height: 3.300 INCHES NOMINAL IN, body_length: 4.150 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-255-4100, 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
43872
NSN: 5950-00-255-4100
FSC: 5950
CAGE: 73386 — FREED TRANSFORMER CO (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
body_width2.700 INCHES NOMINAL IN
case_styleSQUARE
seal_width0.500 INCHES NOMINAL IN
body_height3.300 INCHES NOMINAL IN
body_length4.150 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
housing_bore_diameter4.501 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
sealing_element_styleANGULAR
end_item_identificationPACER SPECIAL
maximum_pressure_rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
NSN5950-00-255-4100
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 43872 MFR TRANSFORMER,POWER
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 4 TAB, SOLDER LUG
INCLOSURE TYPE: FULLY INCLOSED
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
BODY LENGTH: 4.150 INCHES NOMINAL IN
BODY WIDTH: 2.700 INCHES NOMINAL IN
RELIABILITY INDICATOR: NOT ESTABLISHED
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
BODY HEIGHT: 3.300 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY4 TAB, SOLDER LUG
INCLOSURE TYPEFULLY INCLOSED
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
BODY LENGTH4.150 INCHES NOMINAL IN
BODY WIDTH2.700 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
BODY HEIGHT3.300 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
765342-1Interchangeable
interchangeable cross-reference
interchangeable
A1805J244Interchangeable
interchangeable cross-reference
interchangeable
N21009BInterchangeable
interchangeable cross-reference
interchangeable
472650Interchangeable
interchangeable cross-reference
interchangeable
43872Interchangeable
interchangeable cross-reference
interchangeable
PEI 7282Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43872?
43872 is a TRANSFORMER,POWER.
What parts can replace 43872?
There are 6 known substitutes for 43872: 765342-1, A1805J244, N21009B and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 43872?
43872 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-255-4100. This indicates validated use in U.S. government and defense supply chains.
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