MIL-SPEC · Electronic Components
MIL-I-3190/7-20-1
Insulation Sleeving, Electrical
Part NumberMIL-I-3190/7-20-1
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-482-1073 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Overall Length2.500 INCHES NOMINAL
MaterialGLASS
ColorBROWN
Recovered Inside Diameter0.258 INCHES NOMINAL
Reliability IndicatorESTABLISHED
Recovered Wall Thickness0.055 INCHES NOMINAL
Style DesignatorSHRINKABLE
Expanded Inside Diameter0.278 INCHES NOMINAL
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 MIL-I-3190/7-20-1 available?
We can source MIL-I-3190/7-20-1 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 MIL-I-3190/7-20-1 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MIL-I-3190/7-20-1 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 MIL-I-3190/7-20-1?
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 MIL-I-3190/7-20-1?
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.