Scientific Atlanta Inc. · Electronic Components
12-18
Horn, Waveguide
Part Number12-18
ManufacturerScientific Atlanta Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-511-1348 (NSN)
Federal Item NameHORN,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Overall Height3.280 INCHES NOMINAL
Accommodated Conductor TypeWAVEGUIDE
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIP.
MaterialCOPPER ALLOY
Overall Length10.650 INCHES NOMINAL
Overall Width4.000 INCHES NOMINAL
Usage DesignRADAR SET GROUP
Frequency Range Rating+18.0 TO 26.5 GIGAHERTZ
Vendor Part Numbers12A-18
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 12-18 available?
We can source 12-18 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 12-18 by Scientific Atlanta Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12-18 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 12-18?
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 12-18?
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.