Northrop Grumman Systems Corporation · Electronic Components
55.747
Antenna — Antennas and Waveguides
Part Number55.747
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-389-0935 (NSN)
Federal Item NameANTENNA
Federal Supply Class5985 — Antennas and Waveguides
Coaxial Connector Series DesignatiN SINGLE ANTENNA ELEMENT
Mounting MethodTHREADED HOLE(S)
Radiation PatternOMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
Beam Scanning MethodFIXED SINGLE ANTENNA ELEMENT
Terminal TypeRECEPTACLE, COAXIAL SINGLE ANTENNA ELEMENT
Design TypeCONICAL SINGLE ANTENNA ELEMENT
Mounting Hole Quantity4
Connector End DesignSOCKET SINGLE ANTENNA ELEMENT
Overall Length11.548 INCHES NOMINAL
Overall Diameter5.905 INCHES NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
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 55.747 available?
We can source 55.747 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 55.747 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 55.747 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 55.747?
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 55.747?
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.