Raytheon · Electronic Components
N221181-1
Waveguide Assembly
Part NumberN221181-1
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-631-6672 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Operating Pressure10.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Waveguide Inside Height3.250 INCHES NOMINAL
Waveguide Inside Width6.500 INCHES NOMINAL
Waveguide Outside Height3.630 INCHES NOMINAL
MaterialALUMINUM ALLOY ALL TUBING SEGMENT
Flange Quantity3
Voltage Standing Wave Ratio1.10
Surface TreatmentCHROMATE ALL TUBING SEGMENT INSIDE SURFACES
Waveguide Outside Width6.880 INCHES NOMINAL
FlexibilityRIGID SINGLE TUBING SEGMENT
Vendor Part NumbersCG1691FPS20
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 N221181-1 available?
We can source N221181-1 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 N221181-1 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If N221181-1 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 N221181-1?
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 N221181-1?
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.