Shallco, Inc. · Electronic Components
39MB3
Switch, Rotary
Part Number39MB3
ManufacturerShallco, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-756-0353 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Switch Actuator Indexing Position3 SINGLE ACTUATOR
Shaft TypeROUND SINGLE ACTUATOR
Throw Quantity3 SINGLE SECTION FRONT
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts220.0 DC AT SEA LEVEL
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Individual Section Quantity1
Shaft Length0.844 INCHES NOMINAL SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION FRONT
Pole Quantity3 SINGLE SECTION FRONT
Cancelled NSN5930-00-590-3031 (cancelled)
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 39MB3 available?
We can source 39MB3 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 39MB3 by Shallco, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 39MB3 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 39MB3?
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 39MB3?
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.