Lockheed Martin · Electronic Components
343N220-503-121
Cable Assembly, Power, Electrical
Part Number343N220-503-121
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN6150-00-405-3056 (NSN)
Federal Item NameCABLE ASSEMBLY,POWER,ELECTRICAL
Federal Supply Class6150 — Electric Power and Distribution Equipment
Temp Rating200.0 CELSIUS
Overall Length60.000 INCHES
Color Coding Document343N220-503-25500 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFAC
Style DesignatorJACK AND EXTERNAL CONNECTOR
Surface TreatmentTIN CORE CONDUCTOR ALL CONDUCTORS
Strand Awg Size Per Conductor27 ALL CONDUCTORS
Cross Sectional Shape StyleROUND
Conductor Arrangement And Quantity3 SINGLES
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Terminal Manufacturer Identifying4727 FIRST END ALL CONDUCTORS
Round Conductor Size14 AWG ALL CONDUCTORS
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 343N220-503-121 available?
We can source 343N220-503-121 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 343N220-503-121 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 343N220-503-121 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 343N220-503-121?
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 343N220-503-121?
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.