Herley Chicago · Electronic Components
B851668
Retainer, Electron Tube
Part NumberB851668
ManufacturerHerley Chicago
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-501-4841 (NSN)
Federal Item NameRETAINER,ELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Style DesignatorFRUSTRUM OF CONE
Mounting Facility Type And Quantit1 FRICTION SINGLE MOUNTING FACILITY
MaterialPLASTIC
Small End Diameter1.000 INCHES NOMINAL
Tube Envelope Accommodated Maximum1.353 INCHES
Overall Length0.460 INCHES NOMINAL
Large End Diameter1.406 INCHES NOMINAL
Accommodated Item Securing DeviceFRICTION FASTENER
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 B851668 available?
We can source B851668 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 B851668 by Herley Chicago obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B851668 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 B851668?
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 B851668?
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.