Boeing · Electronic Components
21-55000-4103
Cable Assembly, Radio Frequency
Part Number21-55000-4103
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5995-01-012-6925 (NSN)
Federal Item NameCABLE ASSEMBLY,RADIO FREQUENCY
Federal Supply Class5995 — Cable and Wire Assemblies
Electrical Resistance50.00 OHMS IMPEDANCE
Terminal Commercial And Government81205 BOTH ENDS SINGLE CONDUCTOR
Overall Length45.166 FEET
Strand Awg Size Per Conductor27 SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Strand Quantity Per Conductor19 SINGLE CONDUCTOR
Conductor Arrangement And Quantity1 SINGLES
Terminal Manufacturer IdentifyingBACP20AD59 4X SECOND END ALL CONDUCTORS
Round Conductor Size14 AWG SINGLE CONDUCTOR
Conductor Quantity1
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 21-55000-4103 available?
We can source 21-55000-4103 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 21-55000-4103 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-55000-4103 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 21-55000-4103?
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 21-55000-4103?
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.