Insinger Machine Co · Electronic Components
D2278
Switch, Thermostatic
Part NumberD2278
ManufacturerInsinger Machine Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-232-3372 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Contact Adjustment Range+100.00 TO 200.00 ACTUATION POINT DEGREES FAHRENHEIT
Mounting MethodBRACKET(S) AND SLOT
Contact Adjustment TypeEXTERNAL ACTUATION POINT DIAL
Mounting Slot Width0.188 INCHES NOMINAL
Mounting Facility PatternTWO POSITION IN-LINE
Overall Length2.875 INCHES NOMINAL
Contact Voltage Rating In Volts120.0 AC AT SEA LEVEL FIRST VOLTAGE
Overall Height1.875 INCHES NOMINAL
Overall Width2.500 INCHES NOMINAL
Capillary Tube Length36.0 INCHES NOMINAL
Temp Sensing Element TypeCAPILLARY TUBE-BULB
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 D2278 available?
We can source D2278 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 D2278 by Insinger Machine Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D2278 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 D2278?
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 D2278?
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.