Jcb Inc. · Electronic Components
721/X1978
Cable And Conduit Assembly, Elect
Part Number721/X1978
ManufacturerJcb Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5995-01-725-7558 (NSN)
Federal Item NameCABLE AND CONDUIT ASSEMBLY,ELECT
Federal Supply Class5995 — Cable and Wire Assemblies
Terminal Manufacturer Identifying7214/0024 SECOND END ALL CONDUCTORS
Round Conductor Size18 AWG ALL CONDUCTORS
Color Document And Classification721/X1978 MFR REF SINGLE COLOR RESPONSE FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
Material Document And Classificati721/X1978 MFR REF SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
Style DesignatorINTERNAL CONNECTORS
Conductor FormSTRANDED ALL CONDUCTORS
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Color Coding Document721/X1978 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DR
Termination TypeCONNECTOR INTERNAL STRAIGHT BOTH ENDS ALL CONDUCTORS
Conductor Quantity4
Usage DesignELECTRONIC
ESD/EMICode A — ESD/EMI sensitive item
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 721/X1978 available?
We can source 721/X1978 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 721/X1978 by Jcb Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 721/X1978 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 721/X1978?
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 721/X1978?
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.