TE Connectivity · Electronic Components
54123-1
Connector Accessories Seal Nylon/Polyolefin Black
Part Number54123-1
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5975-01-724-8766 (NSN)
Federal Item NameSLEEVE,MARKER,CABLE
MaterialPLASTIC POLYOLEFIN
Overall Length2.5 INCHES MINIMUM
Special FeaturesOPERATING TEMP -55 DEG. C TO +110 DEG. C
Recovered Inside Diameter0.300 INCHES MAXIMUM
Expanded Inside Diameter0.775 INCHES NOMINAL
Wire Accommodated Overall Diameter0.375 INCHES MINIMUM AND 0.725 INCHES MAXIMUM
Inside Diameter0.375 INCHES MINIMUM AND 0.725 INCHES MAXIMUM
Body Length2.5 INCHES MINIMUM
Thickness0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
Material Thickness0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
Federal Supply Class5975 — Electrical Hardware And Supplies
Style DesignatorCYLINDRICAL, SHRINKABLE
ColorBLACK
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 54123-1 available?
We can source 54123-1 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 54123-1 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 54123-1 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 54123-1?
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 54123-1?
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.