General Motors · Electronic Components
6403303
Switch, Centrifugal
Part Number6403303
ManufacturerGeneral Motors
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-016-2981 (NSN)
Federal Item NameSWITCH,CENTRIFUGAL
Federal Supply Class5930 — Switches
Unthreaded Mounting Hole Diameter0.276 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
Longest Horizontal Distance Betwee1.876 INCHES NOMINAL
Terminal TypeCONNECTOR, RECEPTACLE
Mounting MethodUNTHREADED HOLE(S)
Contact Action StimulusINCREASE
Overall Height2.438 INCHES MINIMUM AND 2.478 INCHES MAXIMUM
Overall Width2.438 INCHES MINIMUM AND 2.478 INCHES MAXIMUM
Overall Length3.980 INCHES MINIMUM AND 4.144 INCHES MAXIMUM
Mounting Facility PatternFOUR POSITION RECTANGULAR
Longest Vertical Distance Between1.876 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Vendor Part Numbers31908-3
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 6403303 available?
We can source 6403303 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 6403303 by General Motors obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 6403303 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 6403303?
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 6403303?
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.