Keysight Technologies Inc. · Electronic Components
61B3I
Retainer, Electron Tube
Part Number61B3I
ManufacturerKeysight Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-792-4686 (NSN)
Federal Item NameRETAINER,ELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Overall Diameter0.875 INCHES NOMINAL
Material Document And ClassificatiQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment Document And ClaMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE
Style DesignatorCUP
MaterialCOPPER ALLOY
Mounting Facility Type And Quantit1 BASE ALL MOUNTING FACILITIES
Precious MaterialSILVER
Precious Material And LocationEXTERNAL SURFACES SILVER
Surface TreatmentSILVER
Electron Tube Base Accommodated Di+0.308 TO 0.400 INCHES
Accommodated Item Securing DeviceSETSCREW
Cancelled NSN6625-00-802-6611 (cancelled)
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 61B3I available?
We can source 61B3I 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 61B3I by Keysight Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 61B3I 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 61B3I?
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 61B3I?
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.