Northrop Grumman Systems Corporation · Electronic Components
780254
Retainer, Electrical Connector
Part Number780254
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-321-0209 (NSN)
Federal Item NameRETAINER,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Unthreaded Mounting Hole Diameter0.164 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SINGLE MOUNTING FACILITY
Bolt Circle Diameter3.440 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Overall Height0.734 INCHES NOMINAL
Precious Material And Weight0.100 SILVER GRAINS, TROY AND 0.100 RHODIUM GRAINS, TROY
Surface TreatmentCOPPER AND SILVER AND RHODIUM
Precious MaterialSILVER AND RHODIUM
Mounting Facility Type And Quantit8 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Style DesignatorCUP
MaterialALUMINUM ALLOY
Precious Material And LocationBODY SURFACE SILVER AND BODY SURFACE RHODIUM
Overall Diameter4.000 INCHES NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
Cable Opening Diameter0.421 INCHES MINIMUM AND 0.426 INCHES MAXIMUM
Cable Opening Quantity1
Mounting Hole Circle Radius1.715 INCHES MINIMUM AND 1.725 INCHES MAXIMUM
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 780254 available?
We can source 780254 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 780254 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 780254 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 780254?
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 780254?
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.