Boeing · Electronic Components
5M388A21
Insulation Sleeving, Electrical
Part Number5M388A21
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-149-8615 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Style DesignatorNONSHRINKABLE
ColorNATURAL
Inside Diameter0.182 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
MaterialPLASTIC VINYL
Temp Rating-67.8 CELSIUS AND 85.0 CELSIUS
FlexibilityFLEXIBLE
Wall Thickness0.020 INCHES NOMINAL
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 5M388A21 available?
We can source 5M388A21 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 5M388A21 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5M388A21 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 5M388A21?
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 5M388A21?
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.