Northrop Grumman Systems Corporation · Electronic Components
166997
Dummy Load, Electrical
Part Number166997
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-203-1187 (NSN)
Federal Item NameDUMMY LOAD,ELECTRICAL
Federal Supply Class5985 — Antennas and Waveguides
Voltage Standing Wave Ratio1.10
Frequency Range Rating+5.400 TO 5.900 GIGAHERTZ
Body Width1.625 INCHES MAXIMUM
Cooling MethodSELF-COOLED
Overall Diameter3.125 INCHES NOMINAL
Waveguide Flange DesignationUG-441/U
Power Rating375.000 WATTS AVERAGE AND 300.000 KILOWATTS PEAK
Voltage Standing Wave Ratio Freque+5.400 TO 5.900 GIGAHERTZ
Body Height0.875 INCHES MAXIMUM
Style DesignatorWAVEGUIDE MOUNTED
Termination TypeWAVEGUIDE FLANGE
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 166997 available?
We can source 166997 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 166997 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 166997 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 166997?
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 166997?
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.