Eaton Corp. Information Management Systems · Electronic Components
70991-009
Waveguide Assembly
Part Number70991-009
ManufacturerEaton Corp. Information Management Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-221-0513 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Waveguide Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM
Flange Outside Height1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM ALL FLANGES
Waveguide Outside Width1.246 INCHES MINIMUM AND 1.254 INCHES MAXIMUM
Waveguide Inside Height0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
Flange Inside Height0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM ALL FLANGES
Flange Connecting Hole Diameter0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Flange StyleCOVER TYPE ALL FLANGES
Style DesignatorSTRAIGHT TYPE
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
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 70991-009 available?
We can source 70991-009 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 70991-009 by Eaton Corp. Information Management Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 70991-009 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 70991-009?
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 70991-009?
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.