Keysight Technologies · Electronic Components
11518A
Adapter, Waveguide
Part Number11518A
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-405-0538 (NSN)
Federal Item NameADAPTER,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Style DesignatorWAVEGUIDE TO WAVEGUIDE
Flange Connecting Hole Diameter0.125 INCHES NOMINAL SECOND FLANGE ALL CONNECTION FACILITIES
Flange StyleCOVER TYPE SECOND FLANGE
Flange Outside Height1.297 INCHES NOMINAL FIRST FLANGE
Flange Quantity2
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES
Adapter Length4.031 INCHES NOMINAL
Flange Outside Width0.750 INCHES NOMINAL SECOND FLANGE
MaterialMETAL ALL TUBING SEGMENT AND FLANGE
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 11518A available?
We can source 11518A 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 11518A by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 11518A 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 11518A?
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 11518A?
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.