Us Army Aviation And Missile Command · Electronic Components
9994658
Waveguide Assembly
Part Number9994658
ManufacturerUs Army Aviation And Missile Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-988-9091 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Outside Width6.875 INCHES NOMINAL
Waveguide Inside Height3.250 INCHES NOMINAL
Operating Pressure25.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM
Waveguide Outside Height3.625 INCHES NOMINAL
Flange StyleCONTACT TYPE ALL FLANGES
Flange Connecting Facility And Qua10 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Waveguide Inside Width6.500 INCHES NOMINAL
Flange Depth0.918 INCHES MINIMUM AND 0.958 INCHES MAXIMUM ALL FLANGES
Flange Outside Height5.458 INCHES MAXIMUM SECOND FLANGE
Flange Outside Width8.668 INCHES MINIMUM AND 8.710 INCHES MAXIMUM ALL FLANGES
Flange Inside Width6.490 INCHES MINIMUM AND 6.510 INCHES MAXIMUM ALL FLANGES
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 9994658 available?
We can source 9994658 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 9994658 by Us Army Aviation And Missile Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9994658 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 9994658?
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 9994658?
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.