Leonardo UK · Electronic Components
A3851-56206
Insulator, Bushing
Part NumberA3851-56206
ManufacturerLeonardo UK
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-453-2566 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Second Counterbore Depth0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
MaterialPLASTIC OVERALL
Style DesignatorCYLINDRICAL
Material Document And ClassificatiKEL-F-81, MINNESOTA MINING AND MFG CO MFR REF SINGLE MATERIAL RESPONSE OVERALL
Inside Diameter0.085 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
First Counterbore Depth0.200 INCHES NOMINAL
Outside Diameter0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
First Counterbore Diameter0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM
Overall Height0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
Second Counterbore Diameter0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
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 A3851-56206 available?
We can source A3851-56206 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 A3851-56206 by Leonardo UK obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A3851-56206 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 A3851-56206?
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 A3851-56206?
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.