NAVAIR/NAVSEA Design Activity · Electronic Components
2903240-4
Waveguide — Antennas and Waveguides
Part Number2903240-4
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-273-3035 (NSN)
Federal Item NameWAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Inside Height1.334 INCHES MINIMUM AND 1.346 INCHES MAXIMUM
Waveguide Longer Offset Distance2.840 INCHES NOMINAL
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Style DesignatorCORNER TYPE
Waveguide Outside Width2.994 INCHES MINIMUM AND 3.006 INCHES MAXIMUM
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Waveguide Outside Height1.494 INCHES MINIMUM AND 1.506 INCHES MAXIMUM
FlexibilityRIGID SINGLE TUBING SEGMENT
Waveguide Offset Distance1.094 INCHES NOMINAL
Waveguide Inside Width2.834 INCHES MINIMUM AND 2.846 INCHES MAXIMUM
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 2903240-4 available?
We can source 2903240-4 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 2903240-4 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2903240-4 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 2903240-4?
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 2903240-4?
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.