General Motors · Electronic Components
6521220
Insulation Sleeving, Electrical
Part Number6521220
ManufacturerGeneral Motors
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-063-1921 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Inside Diameter0.375 INCHES NOMINAL
FlexibilityFLEXIBLE
Wall Thickness0.036 INCHES NOMINAL
MaterialCERAMIC
Style DesignatorNONSHRINKABLE
Dielectric Withstanding Voltage In7000.0
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 6521220 available?
We can source 6521220 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 6521220 by General Motors obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 6521220 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 6521220?
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 6521220?
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.