Northrop Grumman Systems Corporation · Electronic Components
138531
Coupler, Directional
Part Number138531
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-147-4075 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Radio Frequency Rating0.0 HERTZ MINIMUM AND 6.0 GIGAHERTZ MAXIMUM
Design TypeBIDIRECTIONAL
Power Loss In Decibels6.0
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Identifying NumberTERMINAL FITTING PART NO. 134191-008
Unit TypeTRANSMISSION LINE
Overall Height3.250 INCHES NOMINAL
Overall Length4.500 INCHES NOMINAL
Overall Width1.875 INCHES NOMINAL
Terminal Fitting Controlling AgencPACKARD-BELL ELECTRONICS CORP
RohscompliantYES
For Use WithAptiv HDK 2.8 Sealed Series Automotive Contacts
Ip Rating-
Voltage Rating-
Hazardousfalse
RohsphthalatescompliantYES
Product RangeHDK (HPCS) 2.8 Sealed Series
IscanonicalY
No Of Positions4 Positions
SvhcNo SVHC (27-Jun-2024)
GenderReceptacle
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 138531 available?
We can source 138531 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 138531 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 138531 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 138531?
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 138531?
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.