Lockheed Martin · Electronic Components
863263
Retainer, Electron Tube
Part Number863263
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-633-7670 (NSN)
Federal Item NameRETAINER,ELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Overall Width1.062 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.140 INCHES NOMINAL SINGLE MOUNTING FACILITY
Surface TreatmentCADMIUM
Accommodated Item Securing DeviceSPRING CLIP
Material Document And ClassificatiQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
MaterialCOPPER ALLOY
Mounting Facility Type And Quantit1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Style DesignatorIRREGULAR
Surface Treatment Document And ClaQQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE
Overall Length1.626 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 863263 available?
We can source 863263 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 863263 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 863263 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 863263?
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 863263?
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.