Northrop Grumman Systems · Electronic Components
66910551-1
Insulator, Plate
Part Number66910551-1
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-376-5762 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Overall Length5.250 INCHES NOMINAL
Third Hole Spacing4.775 INCHES NOMINAL
Style DesignatorFLAT, RECTANGULAR
Overall Width2.250 INCHES NOMINAL
Sixth Hole Spacing0.875 INCHES NOMINAL
Fourth Hole Spacing2.000 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 66910551-1 available?
We can source 66910551-1 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 66910551-1 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 66910551-1 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 66910551-1?
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 66910551-1?
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.