Telephone Company Of America Incorporated · Electronic Components
2066-4
Insulation Sleeving, Electrical
Part Number2066-4
ManufacturerTelephone Company Of America Incorporated
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-538-0186 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Departure From Cited DocumentAS MOD BY COLOR
Dielectric Material Voltage Rating520.0 VOLTS PER MIL /0.001 INCH/
Style DesignatorNONSHRINKABLE
Minimum Tensile Strength1450 POUNDS PER SQUARE INCH
FlexibilityFLEXIBLE
Environmental ProtectionCRACK RESISTANT
Temp Rating-46.0 CELSIUS AND 70.0 CELSIUS
Nondefinitive Spec Std Data1 CATEGORY AND I CLASS AND U FORM AND B GRADE AND 5/8 IN. SIZE AND UA SUBFORM AND F TYPE
ColorBLACK
MaterialPLASTIC POLYVINYL CHLORIDE (PVC)
Wall Thickness0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
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 2066-4 available?
We can source 2066-4 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 2066-4 by Telephone Company Of America Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2066-4 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 2066-4?
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 2066-4?
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.