MIL-SPEC · Electronic Components
31TX4A
Synchro, Transmitter
Part Number31TX4A
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-503-0386 (NSN)
Federal Item NameSYNCHRO,TRANSMITTER
Federal Supply Class5990 — Synchros and Resolvers
Second Shoulder Length0.3750 INCHES NOMINAL
Second Shoulder Diameter2.7500 INCHES NOMINAL
Flange Diameter3.1000 INCHES MAXIMUM
Flange Thickness0.2500 INCHES NOMINAL
Shoulder Diameter2.7000 INCHES MAXIMUM
Pilot Diameter0.3120 INCHES NOMINAL
Overall Length5.2000 INCHES MAXIMUM
Body Diameter2.7000 INCHES MAXIMUM
Body StyleSTANDARD ROUND D
Length0.6150 INCHES NOMINAL SHOULDER
Fragility FactorMODERATELY RUGGED
Cancelled NSN5990-00-927-3124 (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 31TX4A available?
We can source 31TX4A 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 31TX4A by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31TX4A 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 31TX4A?
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 31TX4A?
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.