Keystone Electronics Corp. · Electronic Components
4664
Insulator, Plate
Part Number4664
ManufacturerKeystone Electronics Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-055-5153 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
First Side Radius0.375 INCHES NOMINAL
MaterialMICA OVERALL
Style DesignatorFLAT, DIAMOND
Overall Length1.500 INCHES NOMINAL
Second Hole Spacing0.380 INCHES NOMINAL
Third Hole Spacing0.960 INCHES NOMINAL
Overall Width0.750 INCHES NOMINAL
Second Hole Diameter0.080 INCHES NOMINAL
Fourth Hole Spacing0.200 INCHES NOMINAL
Overall Height0.003 INCHES NOMINAL
First Hole Spacing0.270 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 4664 available?
We can source 4664 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 4664 by Keystone Electronics Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4664 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 4664?
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 4664?
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.