Electroswitch · Electronic Components
3644/501-4
Switch Assembly
Part Number3644/501-4
ManufacturerElectroswitch
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-005-3973 (NSN)
Federal Item NameSWITCH ASSEMBLY
Federal Supply Class5930 — Switches
Environmental ProtectionEXPLOSION PROOF
Identifying Number3644 TYPE NO.
Overall Height1.880 INCHES NOMINAL
Overall Length2.910 INCHES NOMINAL
Mounting MethodBRACKET(S)
Controlling AgencyTHE DIGITRAN CO
Inclosure TypeFULLY INCLOSED
Mounting ConfigurationFOUR 0.140 IN. DIA MTG HOLES ON 1.565 IN. BY 2.575 IN. MTG CENTERS
Inclosure MaterialPLASTIC POLYSULFONE
Switch TypeROTARY
Individual Switch Quantity4
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 3644/501-4 available?
We can source 3644/501-4 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 3644/501-4 by Electroswitch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3644/501-4 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 3644/501-4?
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 3644/501-4?
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.