MIL-SPEC · Electronic Components
UG-868/U
Waveguide Assembly
Part NumberUG-868/U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-698-3812 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Connecting Facility And Qua4 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
Flange Inside Width1.253 INCHES NOMINAL SECOND FLANGE
Waveguide Outside Width1.250 INCHES NOMINAL
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
MaterialALUMINUM ALLOY ALL FLANGE
Waveguide Longer Offset Distance4.062 INCHES NOMINAL
Flange Depth0.438 INCHES NOMINAL SECOND FLANGE
Nominal Thread Size0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY
Waveguide Inside Width1.122 INCHES NOMINAL
Flange Outside Height1.875 INCHES NOMINAL FIRST FLANGE
Thread DirectionRIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY
Vendor Part NumbersM3970/7-009
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 UG-868/U available?
We can source UG-868/U 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 UG-868/U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If UG-868/U 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 UG-868/U?
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 UG-868/U?
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.