Northrop Grumman Systems · Electronic Components
138C221H01
Switch, Radio Frequency Transmiss
Part Number138C221H01
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-407-2550 (NSN)
Federal Item NameSWITCH,RADIO FREQUENCY TRANSMISS
Federal Supply Class5985 — Antennas and Waveguides
Actuator Voltage In Volts28.0 NOMINAL
Switching Time20.0 MILLISECONDS
Unthreaded Mounting Hole Diameter0.172 INCHES NOMINAL
Mounting Facility PatternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN
Coupling Position Quantity3
Frequency Rating0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE
Voltage Standing Wave Ratio1.60 SINGLE
Coaxial Connector Series DesignatiSMA
Actuator Operating MethodRELAY
Overall Width1.000 INCHES NOMINAL
Pole Quantity1
Vendor Part NumbersSR2RD
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 138C221H01 available?
We can source 138C221H01 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 138C221H01 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 138C221H01 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 138C221H01?
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 138C221H01?
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.