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M3970/11-004

Waveguide Assembly

Part NumberM3970/11-004
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Longer Offset Distance3.453 INCHES NOMINAL
Flange Connecting Facility And Qua4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES
Style DesignatorBEND TYPE
Waveguide Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM
Waveguide Inside Height0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
Flange Connecting Hole Diameter0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES
Flange Inside Height0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM SECOND FLANGE
Thread Class2B FIRST FLANGE ALL CONNECTION FACILITIES
Flange Outside Width1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM FIRST FLANGE
Thread Quantity Per Inch32 FIRST FLANGE ALL CONNECTION FACILITIES
Flange Depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SECOND FLANGE
Cancelled NSN5840-00-897-7553 (cancelled)
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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

Frequently asked

Is M3970/11-004 available?
We can source M3970/11-004 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 M3970/11-004 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M3970/11-004 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 M3970/11-004?
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 M3970/11-004?
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.