Northrop Grumman Systems Corporation · Electronic Components
400R666H01
Insulator, Bushing
Part Number400R666H01
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-795-3019 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
First Counterbore Depth0.090 INCHES NOMINAL
Thread Class And Location2B MOUNTING FACILITY
Outside Diameter0.420 INCHES NOMINAL
Inside Diameter0.115 INCHES NOMINAL
MaterialPLASTIC, POLYETHYLENE (PP) OVERALL
Style DesignatorSHOULDER
Screw Thread Diameter And Location0.250 MOUNTING FACILITY INCHES NOMINAL
Screw Thread Quantity Per Inch And28 MOUNTING FACILITY
Shank Height0.060 INCHES NOMINAL
Overall Height0.700 INCHES NOMINAL
Shank Outside Diameter0.313 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 400R666H01 available?
We can source 400R666H01 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 400R666H01 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 400R666H01 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 400R666H01?
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 400R666H01?
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.