Aimtron Systems · Electronic Components
402390
Waveguide Assembly
Part Number402390
ManufacturerAimtron Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-023-7700 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Nominal Thread Size0.164 INCHES SECOND FLANGE SINGLE CONNECTION FACILITY
Voltage Standing Wave Ratio1.10
Waveguide Outside Width1.000 INCHES NOMINAL
Flange Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM ALL FLANGES
Flange Quantity2
Surface TreatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
Insertion Loss In Decibels0.10
Flange Outside Height1.875 INCHES NOMINAL ALL FLANGES
Flange Outside Width1.875 INCHES NOMINAL ALL FLANGES
Flange Connecting Hole Diameter0.193 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY
Flange Inside Diameter0.674 INCHES MINIMUM AND 0.678 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 402390 available?
We can source 402390 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 402390 by Aimtron Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 402390 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 402390?
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 402390?
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.