Microtech Inc. · Electronic Components
221318
Waveguide Assembly
Part Number221318
ManufacturerMicrotech Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-073-1406 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Outside Width1.496 INCHES MINIMUM AND 1.504 INCHES MAXIMUM
Thread Class2B ALL FLANGES ALL CONNECTION FACILITIES
Surface TreatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Flange Depth0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM ALL FLANGES
Tubing Twist TypeTWISTABLE SINGLE TUBING SEGMENT
Flange Inside Width1.368 INCHES MINIMUM AND 1.376 INCHES MAXIMUM ALL FLANGES
Flange Outside Diameter3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM ALL FLANGES
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Inside Height0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM ALL FLANGES
Voltage Standing Wave Ratio1.10
Vendor Part NumbersSM-D-777307
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 221318 available?
We can source 221318 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 221318 by Microtech Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 221318 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 221318?
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 221318?
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.