Northrop Grumman Systems Corporation · Electronic Components
1851640
Transformer, Radio Frequency
Part Number1851640
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-020-8976 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Winding Conductor Size0.01594 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeOPEN
Coil Form TypeSOLID SINGLE COMPONENT
Mounting Hole Diameter0.375 INCHES MINIMUM SINGLE GROUP
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Length0.750 INCHES MAXIMUM
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Body Outside Diameter2.000 INCHES MAXIMUM
Turn Quantity400 SINGLE COMPONENT SINGLE PRIMARY
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
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 1851640 available?
We can source 1851640 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 1851640 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1851640 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 1851640?
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 1851640?
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.