Unicorp. · Electronic Components
WI-2166SL
Insulator, Bushing
Part NumberWI-2166SL
ManufacturerUnicorp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-286-0538 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Shank Height0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
Material Document And ClassificatiL-P-393 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYCARBONATE OVERALL
Style DesignatorSHOULDER
Inside Diameter0.258 INCHES NOMINAL
Overall Height0.287 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
Shank Outside Diameter0.344 INCHES NOMINAL
Outside Diameter0.500 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 WI-2166SL available?
We can source WI-2166SL 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 WI-2166SL by Unicorp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WI-2166SL 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 WI-2166SL?
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 WI-2166SL?
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.