MIL-SPEC · Electronic Components
LL31TYPE1GRADEXX
Insulation Sleeving, Electrical
Part NumberLL31TYPE1GRADEXX
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-189-5885 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Reliability IndicatorNOT ESTABLISHED
MaterialPLASTIC PHENOLIC
ColorBLACK AND NATURAL AND CHOCOLATE
Overall Length36.000 INCHES NOMINAL
FlexibilityRIGID
Dielectric Material Voltage Rating400.0 VOLTS PER MIL /0.001 INCH/
Inside Diameter0.125 INCHES MINIMUM
Wall Thickness0.062 INCHES MINIMUM
Style DesignatorNONSHRINKABLE
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 LL31TYPE1GRADEXX available?
We can source LL31TYPE1GRADEXX 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 LL31TYPE1GRADEXX by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LL31TYPE1GRADEXX 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 LL31TYPE1GRADEXX?
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 LL31TYPE1GRADEXX?
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.