Northrop Grumman Systems · Electronic Components
138C393H04
Attenuator, Fixed
Part Number138C393H04
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-050-5772 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Connection Type Per FunctionFEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT
Rf Signal Attenuation In Decibels20.020.0
Temperature Sensitivity Attenuatio0.00500.0050
Surface TreatmentANODIZE AND SILVER BODY
Attenuation Accuracy Reference Fre4.0 GIGAHERTZ4.0 GIGAHERTZ
Output Impedance Rating In Ohms50.050.0
Voltage Standing Wave Ratio Freque+0.0 TO 4.0 GIGAHERTZ+0.0 TO 4.0 GIGAHERTZ
Attenuation Accuracy In Decibels-1.00 TO 1.00-1.00 TO 1.00
Input Impedance Rating In Ohms50.050.0
Overall Length3.230 INCHES NOMINAL3.230 INCHES NOMINAL
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 138C393H04 available?
We can source 138C393H04 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 138C393H04 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 138C393H04 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 138C393H04?
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 138C393H04?
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.