Northrop Grumman Systems Corporation · Electronic Components
509R143G01
Attenuator, Variable
Part Number509R143G01
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-078-9363 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Body StyleIRREGULAR
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Attenuation Variation MethodCONTINUOUS
Waveguide Flange TypeCHOKE
Mounting Facility Type And Quantit4 TERMINAL WITH MOUNTING HOLES
Overall Width0.993 INCHES MINIMUM AND 1.007 INCHES MAXIMUM
Application DesignWAVEGUIDE
Terminal Type And Quantity2 FLANGE
Adjustment Device Type And Quantit1 SHAFT
Overall Length3.533 INCHES MINIMUM AND 3.547 INCHES MAXIMUM
Mounting Facility PatternFOUR POSITION RECTANGULAR
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 509R143G01 available?
We can source 509R143G01 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 509R143G01 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 509R143G01 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 509R143G01?
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 509R143G01?
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.