MIL-SPEC · Electronic Components
MDU-40
Cable, Power, Electrical
Part NumberMDU-40
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN6145-00-949-5787 (NSN)
Federal Item NameCABLE,POWER,ELECTRICAL
Federal Supply Class6145 — Wire and Cable, Electrical
Round Conductor Size4 AWG ALL CONDUCTORS
Cross Section Outside Diameter2.020 INCHES NOMINAL
Conductor FormSTRANDED ALL CONDUCTORS
Strand Quantity Per Conductor19 ALL CONDUCTORS
Material Document And ClassificatiASTM B3 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Strand Awg Size Per Conductor17 ALL CONDUCTORS
Conductor Arrangement And Quantity19 SINGLES
Cross Sectional Shape StyleROUND
Conductor Quantity19
Temp Rating105.0 CELSIUS
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 MDU-40 available?
We can source MDU-40 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 MDU-40 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MDU-40 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 MDU-40?
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 MDU-40?
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.