Accessories For Electronics Inc. · Electronic Components
4242-187M
Insulator, Disk
Part Number4242-187M
ManufacturerAccessories For Electronics Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-095-1980 (NSN)
Federal Item NameINSULATOR,DISK
Federal Supply Class5970 — Electrical Insulators
First Hole Diameter0.030 INCHES NOMINAL
First Hole Spacing0.050 INCHES NOMINAL
Material And LocationOVERALL PLASTIC, TYPE MYLAR, E I DUPONT DE NEMOURS AND CO INC
Second Hole Spacing0.100 INCHES NOMINAL
Style DesignatorDRILLED, FLAT
Outside Diameter0.235 INCHES NOMINAL
Overall Height0.010 INCHES NOMINAL
Vendor Part Numbers1291-464
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 4242-187M available?
We can source 4242-187M 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 4242-187M by Accessories For Electronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4242-187M 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 4242-187M?
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 4242-187M?
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.