General Dynamics Defense Systems Inc. · Electronic Components
3903A446
Reactor — Coils and Transformers
Part Number3903A446
ManufacturerGeneral Dynamics Defense Systems Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-812-6689 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Body Width2.625 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Thread Quantity Per Inch32 SINGLE GROUP
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Length3.062 INCHES NOMINAL
Winding Quantity1 SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inductance Rating3.50 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Nominal Thread Size0.164 INCHES SINGLE GROUP
Center To Center Distance Between2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Vendor Part Numbers975B331G1
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 3903A446 available?
We can source 3903A446 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 3903A446 by General Dynamics Defense Systems Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3903A446 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 3903A446?
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 3903A446?
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.