US Army Aviation and Missile Command · Electronic Components
9999318
Waveguide Assembly
Part Number9999318
ManufacturerUS Army Aviation and Missile Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-939-7036 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Quantity2
Style DesignatorSTRAIGHT TYPE
Waveguide Inside Height3.250 INCHES NOMINAL
FSC Application DataANTENNA RECEIVER TRANSMITTER GROUP MISSILE TRACKING
Waveguide Length1.349 FEET NOMINAL
Flange Connecting Facility And Qua10 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Waveguide Inside Width6.500 INCHES NOMINAL
Flange StyleCONTACT TYPE ALL FLANGES
Waveguide Outside Height3.875 INCHES NOMINAL
MaterialALUMINUM ALLOY 6061 ALL FLANGE
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 9999318 available?
We can source 9999318 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 9999318 by US Army Aviation and Missile Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9999318 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 9999318?
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 9999318?
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.