TE Connectivity · Electronic Components
203A021-12
Insulation Sleeving, Electrical, S
Part Number203A021-12
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-197-0512 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL,S
Federal Supply Class5970 — Electrical Insulators
FlexibilityFLEXIBLE
Main Body Small End Inside Diamete0.400 INCHES NOMINAL AS SUPPLIED
Style DesignatorBOOT-STRAIGHT-LONG
Main Body Overall Length2.400 INCHES NOMINAL AS SUPPLIED
Distance From Bottom Of Shoulder T0.750 INCHES NOMINAL AS SUPPLIED
Vendor Part Numbers120-2-L
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 203A021-12 available?
We can source 203A021-12 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 203A021-12 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 203A021-12 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 203A021-12?
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 203A021-12?
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.