General Dynamics Motion Control LLC · Electronic Components
37TRX4A
Synchro, Receiver-Transmitter
Part Number37TRX4A
ManufacturerGeneral Dynamics Motion Control LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-085-0829 (NSN)
Federal Item NameSYNCHRO,RECEIVER-TRANSMITTER
Federal Supply Class5990 — Synchros and Resolvers
Body Diameter3.3850 INCHES MINIMUM AND 3.3900 INCHES MAXIMUM
Flange Thickness0.2500 INCHES NOMINAL
Overall Length5.9200 INCHES NOMINAL
Second Shoulder Length0.3750 INCHES NOMINAL
Second Shoulder Diameter3.3740 INCHES MINIMUM AND 3.3750 INCHES MAXIMUM
Shoulder Diameter3.3290 INCHES MINIMUM AND 3.3340 INCHES MAXIMUM
Flange Diameter3.6240 INCHES MINIMUM AND 3.6250 INCHES MAXIMUM
Body StyleSTANDARD ROUND DOUBLE FLANGE A
Pilot Diameter1.6250 INCHES NOMINAL
Length0.6550 INCHES NOMINAL SHOULDER
MaterialSTEEL CORROSION RESISTING BODY
Cancelled NSN5990-00-957-6125 (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 37TRX4A available?
We can source 37TRX4A 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 37TRX4A by General Dynamics Motion Control LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 37TRX4A 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 37TRX4A?
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 37TRX4A?
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.