Johnson Controls Inc. Control Products Div · Electronic Components
A28MA-2
Switch, Thermostatic
Part NumberA28MA-2
ManufacturerJohnson Controls Inc. Control Products Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-315-2711 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Temp Sensing Element TypeCAPILLARY TUBE
Bulb Length4.000 INCHES NOMINAL
Bulb Diameter0.375 INCHES NOMINAL
Operating Temp Rating40.0 CELSIUS MINIMUM AND 120.0 CELSIUS MAXIMUM
Capillary Tube Length72.000 INCHES NOMINAL
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 A28MA-2 available?
We can source A28MA-2 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 A28MA-2 by Johnson Controls Inc. Control Products Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A28MA-2 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 A28MA-2?
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 A28MA-2?
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.