Microwave Engineering · Electronic Components
18-8481
Waveguide Assembly
Part Number18-8481
ManufacturerMicrowave Engineering
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-157-2797 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR
Style DesignatorOFFSET BEND TYPE
Waveguide Length12.250 INCHES NOMINAL
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
MaterialALUMINUM ALLOY 6061 ALL FLANGE
Flange Quantity2
Surface TreatmentCHROMATE ALL FLANGE OUTSIDE SURFACES
Flange StyleCONTACT, DOUBLE RIDGE TYPE ALL FLANGES
Vendor Part NumbersR18-519
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 18-8481 available?
We can source 18-8481 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 18-8481 by Microwave Engineering obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18-8481 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 18-8481?
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 18-8481?
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.