Cmc Electronics Inc. · Electronic Components
324-643
Synchro, Differential Transmitter
Part Number324-643
ManufacturerCmc Electronics Inc.
LifecycleStocked
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-911-2373 (NSN)
Federal Item NameSYNCHRO,DIFFERENTIAL TRANSMITTER
Federal Supply Class5990 — Synchros and Resolvers
Body MaterialSTEEL CORROSION RESISTING
Frequency In Hertz400.0 NOMINAL
Overall Length2.0380 INCHES NOMINAL
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
Flange Diameter0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
Undercut Diameter0.6860 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM
Undercut Width0.0620 INCHES NOMINAL
Body StyleSTANDARD ROUND A
Flange Thickness0.0620 INCHES NOMINAL
Mounting Surface To Terminal End D1.3680 INCHES MAXIMUM
Shaft Slot Depth0.0250 INCHES NOMINAL SINGLE SHAFT
Vendor Part NumbersEDH8A1, CMC324-643
Cancelled NSN5990-00-931-6303 (cancelled)
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnUnknown
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 324-643 available?
We can source 324-643 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 324-643 by Cmc Electronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 324-643 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 324-643?
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 324-643?
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.