Air Products And Chemicals, Inc. · Electronic Components
49983A2
Switch, Thermostatic
Part Number49983A2
ManufacturerAir Products And Chemicals, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-538-4397 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Bulb Length3.438 INCHES NOMINAL
Mounting MethodBASE
Overall Width2.797 INCHES NOMINAL
Terminal TypeWIRE LEAD
Contact Adjustment Range+150.00 TO 350.00 ACTUATION POINT DEGREES FAHRENHEIT
Contact Adjustment TypeEXTERNAL ACTUATION POINT KNOB
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Overall Length5.969 INCHES NOMINAL
Overall Height1.203 INCHES NOMINAL
Contact Action StimulusINCREASE
Vendor Part Numbers4-871-99-0011
Cancelled NSN6680-00-733-5633 (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 49983A2 available?
We can source 49983A2 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 49983A2 by Air Products And Chemicals, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 49983A2 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 49983A2?
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 49983A2?
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.