Fisica Applied Technologies · Electronic Components
220639-1
Insulator, Disk
Part Number220639-1
ManufacturerFisica Applied Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-492-1754 (NSN)
Federal Item NameINSULATOR,DISK
Federal Supply Class5970 — Electrical Insulators
Outside Diameter0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM
Second Hole Diameter0.060 INCHES NOMINAL
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Material Document And ClassificatiAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
First Hole Spacing0.200 INCHES NOMINAL
Overall Height0.181 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
First Hole Diameter0.188 INCHES MINIMUM AND 0.194 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 220639-1 available?
We can source 220639-1 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 220639-1 by Fisica Applied Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 220639-1 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 220639-1?
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 220639-1?
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.