Northrop Grumman Systems · Electronic Components
V21658-51C5043
Retainer, Electron Tube
Part NumberV21658-51C5043
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-387-6222 (NSN)
Federal Item NameRETAINER,ELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Overall Width2.750 INCHES NOMINAL
Eia Electron Tube Envelope AccommoST16
Style DesignatorIRREGULAR
MaterialPLASTIC
Accommodated Item Securing DeviceFRICTION FASTENER
Unthreaded Mounting Hole Diameter1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Height2.500 INCHES NOMINAL
Overall Length4.875 INCHES NOMINAL
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 V21658-51C5043 available?
We can source V21658-51C5043 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 V21658-51C5043 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If V21658-51C5043 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 V21658-51C5043?
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 V21658-51C5043?
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.