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Technical Data Sheet
P4490 ✓ 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,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 0.750 INCHES MAXIMUM IN, rating_method: WINDING TURNS SINGLE COMPONENT ALL SECONDARY, turn_quantity: 128 SINGLE COMPONENT THIRD SECONDARY, coil_form_type: SOLID SINGLE COMPONENT, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(S) SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-105-0591, 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
P4490
NSN: 5950-01-105-0591
FSC: 5950
CAGE: 60767 — SIGMA ELECTRONICS, INC. (USA)
SPECIFICATIONS
body_length0.750 INCHES MAXIMUM IN
rating_methodWINDING TURNS SINGLE COMPONENT ALL SECONDARY
turn_quantity128 SINGLE COMPONENT THIRD SECONDARY
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
nominal_thread_size0.112 INCHES SINGLE GROUP IN
body_outside_diameter1.250 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
winding_conductor_size0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SECOND PRIMARY IN
thread_quantity_per_inch40 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
NSN5950-01-105-0591
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN P4490 MFR TRANSFORMER,RADIO FREQ
KEY FEATURES
WINDING CONDUCTOR SIZE: 0.02257 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FIRST SECONDARY IN
NOMINAL THREAD SIZE: 0.112 INCHES SINGLE GROUP IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
TERMINAL TYPE AND QUANTITY: 14 WIRE LEAD
RELIABILITY INDICATOR: NOT ESTABLISHED
THREAD QUANTITY PER INCH: 40 SINGLE GROUP
TURN QUANTITY: 38 SINGLE COMPONENT SECOND PRIMARY
TECHNICAL CHARACTERISTICS (FLIS)
WINDING CONDUCTOR SIZE0.02257 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FIRST SECONDARY IN
NOMINAL THREAD SIZE0.112 INCHES SINGLE GROUP IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
TERMINAL TYPE AND QUANTITY14 WIRE LEAD
RELIABILITY INDICATORNOT ESTABLISHED
WINDING CONDUCTOR SIZE0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT THIRD SECONDARY IN
THREAD QUANTITY PER INCH40 SINGLE GROUP
TURN QUANTITY38 SINGLE COMPONENT SECOND PRIMARY
WINDING CONDUCTOR SIZE0.01126 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FIRST PRIMARY IN
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1751BInterchangeable
interchangeable cross-reference
interchangeable
180-75Interchangeable
interchangeable cross-reference
interchangeable
RR-F-191Interchangeable
interchangeable cross-reference
interchangeable
150 75Interchangeable
interchangeable cross-reference
interchangeable
44145Interchangeable
interchangeable cross-reference
interchangeable
13375Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P4490?
P4490 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace P4490?
There are 9 known substitutes for P4490: 1751B, 180-75, RR-F-191 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P4490?
P4490 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-105-0591. This indicates validated use in U.S. government and defense supply chains.
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