MIL-SPEC · Electronic Components
3U-3
Cable, Special Purpose, Electrical
Part Number3U-3
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN6145-00-753-1903 (NSN)
Federal Item NameCABLE,SPECIAL PURPOSE,ELECTRICAL
Federal Supply Class6145 — Wire and Cable, Electrical
Round Conductor Size18 AWG ALL CONDUCTORS
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Material Document And ClassificatiASTMB3 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
Strand Awg Size Per Conductor26 ALL CONDUCTORS
Cross Section Outside Diameter0.600 INCHES NOMINAL
Conductor Grouping Arrangement Typ3 TRIPLES ALL GROUPS
ColorGRAY/GREY FIRST POSITION JACKET CABLE
Conductor Sequence Within GroupsSEVENTH CONDUCTOR AND EIGHTH CONDUCTOR AND NINTH CONDUCTOR THIRD GROUP
Conductor Arrangement And Quantity3 TRIPLES
Conductor Quantity9
Strand Quantity Per Conductor7 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 3U-3 available?
We can source 3U-3 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 3U-3 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3U-3 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 3U-3?
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 3U-3?
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.