Standard Gribsby · Electronic Components
39157-1212SM1
Switch, Rotary
Part Number39157-1212SM1
ManufacturerStandard Gribsby
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-021-5284 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Style DesignatorTAP, CIRCULAR FRAME
Flat Height0.218 INCHES NOMINAL SINGLE ACTUATOR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION REAR
Overall Width1.162 INCHES MAXIMUM
Nonturn Device Radius0.375 INCHES NOMINAL AT 3:00 OCLOCK
First Flat Length0.250 INCHES NOMINAL SINGLE ACTUATOR
Individual Section Quantity1
Throw Quantity10 SINGLE SECTION REAR
Switch Actuator Indexing Position10 SINGLE ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
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 39157-1212SM1 available?
We can source 39157-1212SM1 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 39157-1212SM1 by Standard Gribsby obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 39157-1212SM1 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 39157-1212SM1?
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 39157-1212SM1?
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.