L3Harris Technologies · Electronic Components
74946-1
Waveguide Assembly
Part Number74946-1
ManufacturerL3Harris Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-553-6532 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Outside Width0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM
Flange Connecting Hole Diameter0.169 INCHES NOMINAL SECOND FLANGE ALL CONNECTION FACILITIES
Insertion Loss In Decibels0.03
Flange Depth0.438 INCHES NOMINAL SECOND FLANGE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES
MaterialALUMINUM ALLOY SINGLE TUBING SEGMENT
Thread DirectionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
Flange Inside Width0.900 INCHES NOMINAL FIRST FLANGE
Flange Outside Width1.625 INCHES NOMINAL FIRST FLANGE
Flange Inside Height0.505 INCHES NOMINAL SECOND FLANGE
Waveguide Offset Distance3.562 INCHES NOMINAL
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 74946-1 available?
We can source 74946-1 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 74946-1 by L3Harris Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 74946-1 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 74946-1?
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 74946-1?
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.