MIL-SPEC · Electronic Components
B7444-3-1-R438B
Insulation Sleeving, Electrical
Part NumberB7444-3-1-R438B
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-729-5382 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Wall Thickness0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM
Temp Rating-67.8 CELSIUS
Dielectric Material Voltage Rating200.0 VOLTS PER MIL /0.001 INCH/
Minimum Tensile Strength1800 POUNDS PER SQUARE INCH
ColorBLACK
FlexibilityFLEXIBLE
Environmental ProtectionCORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT
Style DesignatorNONSHRINKABLE
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) OR PLASTIC POLYVINYL CHLORIDE-ACETATE
Reliability IndicatorNOT ESTABLISHED
Inside Diameter0.438 INCHES MINIMUM AND 0.462 INCHES MAXIMUM
Cancelled NSN5970-00-211-5842 (cancelled)
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 B7444-3-1-R438B available?
We can source B7444-3-1-R438B 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 B7444-3-1-R438B by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B7444-3-1-R438B 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 B7444-3-1-R438B?
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 B7444-3-1-R438B?
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.