Raytheon · Electronic Components
3003-991
Switch, Thermostatic
Part Number3003-991
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-088-6909 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Thread Quantity Per Inch32 ALL THREADED STUD
Body Height0.227 INCHES MAXIMUM
Overall Diameter0.605 INCHES MAXIMUM
Nominal Thread Size0.138 INCHES ALL THREADED STUD
Temp Sensing Element TypeINTERNAL SENSOR
Contact Action StimulusINCREASE
Terminal TypeTAB, SOLDER LUG
Thread Length0.250 INCHES NOMINAL ALL THREADED STUD
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL THREADED STUD
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Vendor Part Numbers3150-23-70
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 3003-991 available?
We can source 3003-991 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 3003-991 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3003-991 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 3003-991?
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 3003-991?
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.