TE Connectivity · Electronic Components
214A521-3/42
Insulation Sleeving, Electrical, S
Part Number214A521-3/42
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-355-3308 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL,S
Federal Supply Class5970 — Electrical Insulators
Main Body Overall Length1.530 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY
Temp Rating-55.0 CELSIUS
Main Body Small End Inside Diamete0.400 INCHES MINIMUM AS SUPPLIED
Main Body Wall Thickness0.040 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY
Reliability IndicatorNOT ESTABLISHED
ColorBLACK
Dielectric Material Voltage Rating200.0 VOLTS PER MIL /0.001 INCH/
MaterialPLASTIC POLYOLEFIN LOCATION NOT OTHERWISE SPECIFIED
FlexibilitySEMIRIGID
Minimum Tensile Strength1500 POUNDS PER SQUARE INCH
Material Document And ClassificatiRT-301, RAYCHEM CORP MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Vendor Part Numbers214A521-3/42-0
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 214A521-3/42 available?
We can source 214A521-3/42 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 214A521-3/42 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 214A521-3/42 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 214A521-3/42?
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 214A521-3/42?
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.