MIL-SPEC · Electronic Components
AS1390U
Antenna Assembly
Part NumberAS1390U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-973-2677 (NSN)
Federal Item NameANTENNA ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Coaxial Connector Series DesignatiN THIRD ANTENNA
Power Gain In Decibels5.00 ALL ANTENNAS
Operating Temp Range-32.0 TO 52.0 CELSIUS
Characteristic Impedance In Ohms50.0 ALL ANTENNAS
Power Rating2.000 KILOWATTS AVERAGE SECOND ANTENNA
Beam Scanning MethodFIXED ALL ANTENNAS
Overall Diameter1.167 FEET NOMINAL
Component Quantity3
FSC Application DataRADIO COMMUNICATION EQUIPMENT
Design TypeMAST ALL ANTENNAS
Frequency Rating225.000 MEGAHERTZ MINIMUM AND 400.000 MEGAHERTZ MAXIMUM AND 400.000 MEGAHERTZ MINIMUM AND 550.000 MEGAHERTZ MAXIMUM A
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 AS1390U available?
We can source AS1390U 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 AS1390U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AS1390U 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 AS1390U?
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 AS1390U?
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.