BAE Systems Information and Electronic Systems Integration · Electronic Components
203689-000
Waveguide Assembly
Part Number203689-000
ManufacturerBAE Systems Information and Electronic Systems Integration
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-421-6545 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Outside Width1.313 INCHES NOMINAL ALL FLANGES
Flange Quantity2
Flange StyleCOVER TYPE ALL FLANGES
Waveguide Outside Width0.702 INCHES NOMINAL
FSC Application DataCOUNTERMEASURES SET
Waveguide Inside Height0.311 INCHES NOMINAL
Flange Inside Width0.705 INCHES NOMINAL ALL FLANGES
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Waveguide Outside Height0.391 INCHES NOMINAL
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
FlexibilityRIGID SINGLE TUBING SEGMENT
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 203689-000 available?
We can source 203689-000 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 203689-000 by BAE Systems Information and Electronic Systems Integration obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 203689-000 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 203689-000?
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 203689-000?
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.