MIL-SPEC · Electronic Components
23TDX4B
Synchro, Differential Transmitter
Part Number23TDX4B
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-677-6491 (NSN)
Federal Item NameSYNCHRO,DIFFERENTIAL TRANSMITTER
Federal Supply Class5990 — Synchros and Resolvers
Shoulder Diameter1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM
Second Shoulder Diameter1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM
Overall Length4.5490 INCHES NOMINAL
Body Diameter1.9900 INCHES MAXIMUM
Body StyleSTANDARD ROUND D
Second Shoulder Length0.1700 INCHES NOMINAL
Pilot Diameter0.9950 INCHES NOMINAL
Flange Thickness0.2500 INCHES NOMINAL
Flange Diameter2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM
Length0.2500 INCHES NOMINAL SHOULDER
Shaft Thread Length0.2900 INCHES NOMINAL SINGLE SHAFT
Cancelled NSN5990-00-841-9072 (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 23TDX4B available?
We can source 23TDX4B 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 23TDX4B by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 23TDX4B 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 23TDX4B?
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 23TDX4B?
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.