Northrop Grumman Systems Corporation · Electronic Components
7490A20H01
Dummy Load, Electrical
Part Number7490A20H01
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-250-1239 (NSN)
Federal Item NameDUMMY LOAD,ELECTRICAL
Federal Supply Class5985 — Antennas and Waveguides
Body Diameter3.000 INCHES MAXIMUM
Cooling System Coolant Flow Rate0.75 GALLONS PER MINUTE
Voltage Standing Wave Ratio Freque+8.200 TO 12.400 GIGAHERTZ
Coolant Chamber Pressure100.0 POUNDS PER SQUARE INCH GAUGE (PSIG)
Special Handling FeatureRADIOACTIVE
Input Coolant Temp105.0 FAHRENHEIT
Style DesignatorWAVEGUIDE MOUNTED
Cooling MethodFORCED LIQUID
Power Rating1.000 KILOWATTS AVERAGE AND 0.350 MEGAWATTS PEAK
Overall Width3.500 INCHES MAXIMUM
Discharge Connection Thread LocatiINTERNAL
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 7490A20H01 available?
We can source 7490A20H01 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 7490A20H01 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7490A20H01 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 7490A20H01?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 7490A20H01?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.