Northrop Grumman Systems Corporation · Electronic Components
167590
Waveguide Assembly
Part Number167590
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-203-5793 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Center To Center Distanc4.062 INCHES NOMINAL
Waveguide Height1.780 INCHES NOMINAL
Flange Outside Diameter3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM SECOND FLANGE
Flange StyleCHOKE TYPE SECOND FLANGE
Flange Connecting Facility And Qua8 THREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES
Insertion Loss In Decibels0.10
FSC Application DataRADAR EQUIPMENT,EXCEPT AIRBORNE
Surface TreatmentPRIMER SINGLE TUBING SEGMENT OUTSIDE SURFACES
Waveguide Inside Width1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM
Voltage Standing Wave Ratio1.15
Flange Inside Width1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM SECOND FLANGE
Vendor Part NumbersAW1453
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 167590 available?
We can source 167590 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 167590 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 167590 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 167590?
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 167590?
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.