CAES Mission Systems · Electronic Components
MD80K40
Adapter, Waveguide
Part NumberMD80K40
ManufacturerCAES Mission Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-009-1434 (NSN)
Federal Item NameADAPTER,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Thread Class2B FIRST FLANGE ALL CONNECTION FACILITIES
Nominal Thread Length0.325 INCHES FIRST FLANGE ALL CONNECTION FACILITIES
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES
Waveguide Outside Width0.590 INCHES NOMINAL AND 0.702 INCHES NOMINAL
Adapter Length1.195 INCHES MINIMUM AND 1.205 INCHES MAXIMUM
Waveguide Inside Height0.255 INCHES NOMINAL AND 0.311 INCHES NOMINAL
Nominal Thread Size0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES
Waveguide Outside Height0.355 INCHES NOMINAL AND 0.391 INCHES NOMINAL
Flange Inside Height0.253 INCHES MINIMUM AND 0.257 INCHES MAXIMUM FIRST FLANGE
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Flange Inside Width0.508 INCHES MINIMUM AND 0.512 INCHES MAXIMUM FIRST FLANGE
Vendor Part Numbers128SCAV651-1
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 MD80K40 available?
We can source MD80K40 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 MD80K40 by CAES Mission Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MD80K40 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 MD80K40?
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 MD80K40?
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.