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TE Connectivity  · Electronic Components

ATUM12-4-1000

Insulation Sleeving, Electrical

Part NumberATUM12-4-1000
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
ColorBLACK
Style DesignatorSHRINKABLE
Expanded Inside Diameter12.000 MILLIMETERS MINIMUM
Heat Shrinkage Rating In Percent150.0
MaterialPLASTIC POLYOLEFIN
Temp Rating125.0 CELSIUS
Overall Length1.000 METERS NOMINAL
Recovered Inside Diameter4.000 MILLIMETERS MAXIMUM
Recovered Wall Thickness0.600 MILLIMETERS NOMINAL
FlexibilityFLEXIBLE
Vendor Part Numbers91334144, ATUM-12/4-0-4FT
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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

Frequently asked

Is ATUM12-4-1000 available?
We can source ATUM12-4-1000 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 ATUM12-4-1000 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ATUM12-4-1000 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 ATUM12-4-1000?
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 ATUM12-4-1000?
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.