Belden · Electronic Components
FIT221-1/8X4FT
Insulation Sleeving, Electrical
Part NumberFIT221-1/8X4FT
ManufacturerBelden
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-400-7618 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Heat Shrinkage Rating In Percent50.0
Style DesignatorSHRINKABLE
Dielectric Material Voltage Rating500.0 VOLTS PER MIL /0.001 INCH/
Temp Rating-55.0 CELSIUS AND 135.0 CELSIUS
ColorCLEAR
Minimum Tensile Strength1800 POUNDS PER SQUARE INCH
Overall Length4.000 INCHES NOMINAL
Recovered Inside Diameter0.062 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Environmental ProtectionCORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT
FlexibilityFLEXIBLE
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 FIT221-1/8X4FT available?
We can source FIT221-1/8X4FT 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 FIT221-1/8X4FT by Belden obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FIT221-1/8X4FT 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 FIT221-1/8X4FT?
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 FIT221-1/8X4FT?
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.