Northrop Grumman Systems Corporation · Electronic Components
495320-1
Insulator, Plate
Part Number495320-1
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-078-4472 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
First Side Radius0.525 INCHES NOMINAL
Second Hole Spacing0.522 INCHES NOMINAL
MaterialMICA OVERALL
Style DesignatorFLAT, DIAMOND
First Hole Spacing0.188 INCHES NOMINAL
Overall Width1.050 INCHES NOMINAL
First Hole Diameter0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
Overall Height0.002 INCHES NOMINAL
Fifth Hole Spacing0.205 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
Second Hole Diameter0.038 INCHES MINIMUM AND 0.043 INCHES MAXIMUM
Third Hole Spacing1.177 INCHES MINIMUM AND 1.197 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 495320-1 available?
We can source 495320-1 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 495320-1 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 495320-1 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 495320-1?
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 495320-1?
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.