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Dla Aviation Engineering  · Electronic Components

66B4

Insulator, Plate

Part Number66B4
ManufacturerDla Aviation Engineering
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Overall Width2.750 INCHES NOMINAL
Overall Length3.625 INCHES NOMINAL
Overall Height0.188 INCHES NOMINAL
MaterialPLASTIC MELAMINE AND GLASS OVERALL
Material Document And ClassificatiMIL-P-15037, TYPE GMG MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorFLAT, RECTANGULAR
Identification Code ColorBROWN
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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 66B4 available?
We can source 66B4 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 66B4 by Dla Aviation Engineering obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 66B4 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 66B4?
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 66B4?
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.