Northrop Grumman Systems Corporation · Electronic Components
308939-11
Attenuator, Fixed
Part Number308939-11
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-054-9841 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Surface TreatmentGOLD BODY
Attenuation Accuracy In Decibels-0.30 TO 0.30-0.30 TO 0.30
Output Impedance Rating In Ohms50.050.0
Overall Diameter0.360 INCHES NOMINAL0.360 INCHES NOMINAL
Rf Signal Attenuation In Decibels5.05.0
Connection Type Per FunctionFEMALE INPUT AND FEMALE INPUT AND MALE OUTPUTMALE OUTPUT
Frequency Range0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 7.000 GIGAHERTZ MAXIMUM7.000 GIGAHERTZ MAXIMUM
Voltage Standing Wave Ratio1.201.20
Attenuation Accuracy Reference Fre30.0 MEGAHERTZ30.0 MEGAHERTZ
Operating Temp Range-54.0 TO 100.0 CELSIUS-54.0 TO 100.0 CELSIUS
MaterialSTEEL COMP 303 OR COPPER ALLOY 360 BODY
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 308939-11 available?
We can source 308939-11 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 308939-11 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 308939-11 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 308939-11?
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 308939-11?
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.