General Motors · Electronic Components
854978
Cover, Electrical Connector
Part Number854978
ManufacturerGeneral Motors
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-258-0407 (NSN)
Federal Item NameCOVER,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Overall Diameter0.781 INCHES NOMINAL
Mounting Facility Type And Quantit1 THREADED COUPLING
Body Height0.437 INCHES NOMINAL
Thread Series DesignatorUNEF
Style DesignatorINTERNAL THREAD W/CHAIN OR ROPE
Thread Class2B
Nominal Thread Size0.625 INCHES
Thread DirectionRIGHT-HAND
Attachment Feature Length2.562 INCHES NOMINAL
Eye Inside Diameter0.120 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 854978 available?
We can source 854978 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 854978 by General Motors obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 854978 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 854978?
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 854978?
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.