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861873 ✓ 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_length: 0.580 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 20.0 KILOHERTZ NOMINAL SINGLE COMPONENT, nominal_thread_size: 0.112 INCHES SINGLE GROUP IN, body_outside_diameter: 0.940 INCHES MAXIMUM 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 5950-01-122-7287, 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
861873
NSN: 5950-01-122-7287
FSC: 5950
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
body_length0.580 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating20.0 KILOHERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.112 INCHES SINGLE GROUP IN
body_outside_diameter0.940 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp130.0 CELSIUS DEGC
thread_quantity_per_inch40 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage12.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
NSN5950-01-122-7287
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 861873 MFR TRANSFORMER,POWER
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY OUTSIDE DIAMETER: 0.940 INCHES MAXIMUM IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
NOMINAL THREAD SIZE: 0.112 INCHES SINGLE GROUP IN
•
WINDING OPERATING CURRENT: 1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
•
MAXIMUM OPERATING TEMP: 130.0 CELSIUS DEGC
•
TERMINAL TYPE AND QUANTITY: 6 PIN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
BODY OUTSIDE DIAMETER0.940 INCHES MAXIMUM IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
NOMINAL THREAD SIZE0.112 INCHES SINGLE GROUP IN
WINDING OPERATING CURRENT1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
MAXIMUM OPERATING TEMP130.0 CELSIUS DEGC
TERMINAL TYPE AND QUANTITY6 PIN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
WINDING OPERATING VOLTAGE24.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
18519Interchangeable
interchangeable cross-reference
interchangeable
21536Interchangeable
interchangeable cross-reference
interchangeable
MILM4818BInterchangeable
interchangeable cross-reference
interchangeable
150200-0207Interchangeable
interchangeable cross-reference
interchangeable
HL42543Interchangeable
interchangeable cross-reference
interchangeable
B1614-1BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 861873?
861873 is a TRANSFORMER,POWER.
What parts can replace 861873?
There are 10 known substitutes for 861873: 18519, 21536, MILM4818B and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 861873?
861873 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-122-7287. 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