NAVAIR/NAVSEA Design Activity · Electronic Components
31TDX4A
Synchro, Differential Transmitter
Part Number31TDX4A
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-503-4099 (NSN)
Federal Item NameSYNCHRO,DIFFERENTIAL TRANSMITTER
Federal Supply Class5990 — Synchros and Resolvers
Shaft Thread Class3A SINGLE SHAFT
Shaft Length0.8000 INCHES NOMINAL SINGLE SHAFT
Body Size31
Shaft Thread DirectionRIGHT-HAND SINGLE SHAFT
Torque Gradient Per Angular Deg0.600 INCH-OUNCES NOMINAL
Transformation Ratio1.154 ROTOR TO STATOR NOMINAL
Stator Input Current Rating2.6 AMPERES NOMINAL
Shaft Thread Series DesignatorUNF SINGLE SHAFT
Shaft Thread Length0.3000 INCHES NOMINAL SINGLE SHAFT
Stator Input Electrical Power Rati14.0 WATTS NOMINAL
Frequency In Hertz400.0 NOMINAL
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 31TDX4A available?
We can source 31TDX4A 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 31TDX4A by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31TDX4A 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 31TDX4A?
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 31TDX4A?
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.