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Dcm Manufacturing, Inc.  · Electronic Components

B3399

Switch, Thermostatic

Part NumberB3399
ManufacturerDcm Manufacturing, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Temp Sensing Element TypeINTERNAL SENSOR
Contact Action StimulusINCREASE
Operating Temp Rating-273.1 CELSIUS MINIMUM AND 145.0 FAHRENHEIT MAXIMUM
Contact Voltage Rating In Volts6.0 DC AT SEA LEVEL SECOND VOLTAGE
Nominal Thread Size0.375 INCHES SINGLE THREADED BUSHING
Mounting MethodTHREADED BUSHING
Overall Height2.531 INCHES NOMINAL
Contact Load Current Rating1.75 AMPERES RESISTIVE LOAD THIRD VOLTAGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Stimulus Rating145.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 135.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT AND 52.00 DIFFER
Terminal TypeCONNECTOR, RECEPTACLE
Vendor Part Numbers7700453
Cancelled NSN6685-00-770-0453 (cancelled)
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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

Frequently asked

Is B3399 available?
We can source B3399 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 B3399 by Dcm Manufacturing, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B3399 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 B3399?
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 B3399?
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.