Microwave Engineering Corporation · Electronic Components
R10-991
Waveguide Assembly
Part NumberR10-991
ManufacturerMicrowave Engineering Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-373-5045 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange StyleCONTACT, DOUBLE RIDGE TYPE ALL FLANGES
Bend Angle In Deg63.0 THIRD BEND E-PLANE
Flange Connecting Facility And Qua4 CAPTIVE SCREW(S) ALL FLANGES ALL CONNECTION FACILITIES
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Center To Center Distanc2.270 INCHES NOMINAL
Flange Outside Width1.375 INCHES NOMINAL ALL FLANGES
Thread Quantity Per Inch32 ALL FLANGES ALL CONNECTION FACILITIES
Style DesignatorOFFSET BEND TYPE
Flange Inside Width0.798 INCHES NOMINAL ALL FLANGES
Cross Sectional Shape StyleINTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR
Flange Inside Height0.428 INCHES NOMINAL ALL FLANGES
Vendor Part Numbers106439-09, A55A9026-9
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 R10-991 available?
We can source R10-991 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 R10-991 by Microwave Engineering Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R10-991 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 R10-991?
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 R10-991?
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.