Microwave Engineering Corporation · Electronic Components
S574-12
Waveguide Assembly
Part NumberS574-12
ManufacturerMicrowave Engineering Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-755-7416 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange StyleCOVER TYPE SECOND FLANGE
Waveguide Inside Width0.622 INCHES NOMINAL
Nominal Thread Size0.138 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST FLANGE SINGLE CONNECTION FACILITY
Precious MaterialSILVER
Style DesignatorSTRAIGHT TYPE
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
Waveguide Length1.000 FEET NOMINAL
Waveguide Inside Height0.311 INCHES NOMINAL
Waveguide Outside Height0.391 INCHES NOMINAL
Surface TreatmentSILVER ALL TUBING SEGMENT AND FLANGE ALL SURFACES
Vendor Part NumbersTS57-4B12N
Cancelled NSN5985-00-971-5148 (cancelled)
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 S574-12 available?
We can source S574-12 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 S574-12 by Microwave Engineering Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S574-12 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 S574-12?
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 S574-12?
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.