NAVAIR/NAVSEA Design Activity · Electronic Components
2890363-1
Coupler, Rotary, Radio Frequency
Part Number2890363-1
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-190-4475 (NSN)
Federal Item NameCOUPLER,ROTARY,RADIO FREQUENCY
Federal Supply Class5985 — Antennas and Waveguides
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Radio Frequency Rating8.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
MaterialCOPPER ALLOY
Output Impedance Rating In Ohms50.0
Unit TypeCOAXIAL LINE
Precious MaterialSILVER
Input Impedance Rating In Ohms50.0
Precious Material And LocationEXTERNAL SURFACES SILVER
Overall Length1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM
Overall Diameter0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM
Vendor Part NumbersA-12-2124-0
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 2890363-1 available?
We can source 2890363-1 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 2890363-1 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2890363-1 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 2890363-1?
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 2890363-1?
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.