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Navair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier · Electronic Components
645990
Reactor — Coils and Transformers
Part Number645990
ManufacturerNavair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-645-1220 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Nominal Thread Size0.164 INCHES SINGLE GROUP
Center To Center Distance Between2.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Current250.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Dc Resistance Rating In Ohms141.000 SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Body Length4.125 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type And Quantity2 STANDOFF INSULATOR
ESD/EMICode A — ESD/EMI sensitive item
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 645990 available?
We can source 645990 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 645990 by Navair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 645990 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 645990?
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 645990?
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.