Narda Holdings · Electronic Components
042-B1237-A2C-7B1
Switch, Radio Frequency Transmiss
Part Number042-B1237-A2C-7B1
ManufacturerNarda Holdings
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-423-1054 (NSN)
Federal Item NameSWITCH,RADIO FREQUENCY TRANSMISS
Federal Supply Class5985 — Antennas and Waveguides
Pole Quantity1
MaterialALUMINUM COVER
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Switch TypeNONTRANSFER
Connector End DesignFEMALE
Actuator Voltage In Volts20.0 MINIMUM AND 30.0 MAXIMUM
Coupling Position Quantity7
Insertion Loss In Decibels0.30 SINGLE
Frequency Rating0.05 GIGAHERTZ MINIMUM AND 8.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING
Terminal Type And Quantity1 CONNECTOR, RECEPTACLE AND 6 RECEPTACLE, COAXIAL
Unthreaded Mounting Hole Diameter0.141 INCHES NOMINAL
Vendor Part NumbersM4-429E905, TWC14KMLXX11, A3188115-002, 4MPT-28-L-0005
ESD/EMICode A — ESD/EMI sensitive item
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 042-B1237-A2C-7B1 available?
We can source 042-B1237-A2C-7B1 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 042-B1237-A2C-7B1 by Narda Holdings obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 042-B1237-A2C-7B1 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 042-B1237-A2C-7B1?
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 042-B1237-A2C-7B1?
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.