Microwave Development Laboratories, Inc. · Electronic Components
187WX39
Waveguide Assembly
Part Number187WX39
ManufacturerMicrowave Development Laboratories, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-253-0891 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
MaterialALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT
Flange Outside Height2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM SINGLE FLANGE
Voltage Standing Wave Ratio1.25
Flange Inside Width1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM SINGLE FLANGE
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Waveguide Inside Height3.840 INCHES MINIMUM AND 3.860 INCHES MAXIMUM
Waveguide Inside Width7.690 INCHES MINIMUM AND 7.710 INCHES MAXIMUM
Operating Pressure3.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM
Waveguide Outside Height4.090 INCHES MINIMUM AND 4.110 INCHES MAXIMUM
Waveguide Outside Width7.940 INCHES MINIMUM AND 9.960 INCHES MAXIMUM
Vendor Part Numbers433738-1
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 187WX39 available?
We can source 187WX39 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 187WX39 by Microwave Development Laboratories, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 187WX39 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 187WX39?
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 187WX39?
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.