Northrop Grumman Systems Corp. · Electronic Components
3YHAT
Retainer, Electron Tube
Part Number3YHAT
ManufacturerNorthrop Grumman Systems Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-270-8166 (NSN)
Federal Item NameRETAINER,ELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Overall Length2.250 INCHES NOMINAL
Style DesignatorPLAIN CAP WITH SPRING LOCKED HOLD DOWN
Eia Electron Tube Envelope AccommoST12
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.169 INCHES NOMINAL SINGLE MOUNTING FACILITY
Surface TreatmentPASSIVATE
Bolt Circle Diameter2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Overall Diameter1.812 INCHES NOMINAL
MaterialSTEEL
Distance From Retainer Center To C1.062 INCHES NOMINAL
Accommodated Item Securing DeviceCOMPRESSION RING
Vendor Part NumbersSMC209506-1
Cancelled NSN5960-00-296-9975 (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 3YHAT available?
We can source 3YHAT 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 3YHAT by Northrop Grumman Systems Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3YHAT 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 3YHAT?
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 3YHAT?
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.