Telemechanics · Electronic Components
78400
Contact, Electrical
Part Number78400
ManufacturerTelemechanics
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-126-8037 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Height0.312 INCHES NOMINAL
Overall Length3.312 INCHES NOMINAL
MaterialCARBON CONTACT
Voltage Rating In Volts110.0 AC
Overall Width0.312 INCHES NOMINAL
Mounting Facility Quantity1
Mounting MethodUNTHREADED HOLE(S)
Current Rating In Amps10.0
ESD/EMICode A — ESD/EMI sensitive item
Thread Series DesignatorUNEF
Style DesignatorEXTERNAL THREADS
Surface TreatmentSILVER
Body Height0.580 INCHES NOMINAL
Thread DirectionRIGHT-HAND
Overall Diameter0.500 INCHES NOMINAL
Mounting Facility Type And Quantit1 THREADED COUPLING
Thread Class2A
Thread Quantity Per Inch28
Precious Material And LocationBODY SURFACE SILVER
Cancelled NSN5935-00-964-2900 (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 78400 available?
We can source 78400 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 78400 by Telemechanics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 78400 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 78400?
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 78400?
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.