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Engineered Magnetics, Inc.  · Electronic Components

221156

Insulator, Plate

Part Number221156
ManufacturerEngineered Magnetics, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Fourth Hole Spacing1.000 INCHES NOMINAL
Overall Height0.002 INCHES NOMINAL
First Hole Diameter0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM
Third Hole Spacing1.000 INCHES NOMINAL
Style DesignatorFLAT, RECTANGULAR
MaterialOVERALL MICA,SILICONE BONDED,MIL-I-19917,TYPE MPF-S
Second Hole Spacing0.430 INCHES NOMINAL
Overall Width1.870 INCHES NOMINAL
Overall Length2.220 INCHES NOMINAL
Second Hole Diameter0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM
First Hole Spacing0.430 INCHES NOMINAL
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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

Frequently asked

Is 221156 available?
We can source 221156 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 221156 by Engineered Magnetics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 221156 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 221156?
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 221156?
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.