MIL-SPEC · Electronic Components
CG1656U
Waveguide Assembly
Part NumberCG1656U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-804-6939 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Waveguide Inside Height0.311 INCHES NOMINAL
Thread DirectionRIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY
Flange Inside Width0.705 INCHES NOMINAL SECOND FLANGE
Surface TreatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST FLANGE SINGLE CONNECTION FACILITY
Waveguide Length2.000 FEET NOMINAL
Flange StyleCOVER TYPE SECOND FLANGE
Flange Inside Height0.311 INCHES NOMINAL FIRST FLANGE
Flange Connecting Facility And Qua4 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
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 CG1656U available?
We can source CG1656U 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 CG1656U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CG1656U 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 CG1656U?
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 CG1656U?
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.