Reliance Mica · Electronic Components
31A
Insulator, Plate
Part Number31A
ManufacturerReliance Mica
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-436-8593 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Fifth Hole Spacing0.100 INCHES NOMINAL
Second Hole Diameter0.043 INCHES MINIMUM AND 0.049 INCHES MAXIMUM
First Hole Spacing0.188 INCHES NOMINAL
Style DesignatorFLAT, DIAMOND
MaterialMICA OVERALL
Second Hole Spacing0.480 INCHES NOMINAL
Overall Height0.002 INCHES MINIMUM AND 0.003 INCHES MAXIMUM
First Hole Diameter0.154 INCHES MINIMUM AND 0.158 INCHES MAXIMUM
Fourth Hole Spacing0.200 INCHES NOMINAL
First Side Radius0.390 INCHES NOMINAL
Third Hole Spacing0.958 INCHES MINIMUM AND 0.962 INCHES MAXIMUM
Vendor Part Numbers222520-000
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 31A available?
We can source 31A 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 31A by Reliance Mica obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31A 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 31A?
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 31A?
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.