The Boeing Company · Electronic Components
40351-307
Insulator, Plate
Part Number40351-307
ManufacturerThe Boeing Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-880-7092 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Third Hole Spacing3.954 INCHES NOMINAL
Second Hole Spacing0.125 INCHES NOMINAL
Material Document And ClassificatiL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorFLAT, RECTANGULAR
MaterialPLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OR PLASTIC POLYCAPROLACTAM OR PLASTIC POLYHEXA
First Hole Diameter0.144 INCHES NOMINAL
Overall Length4.400 INCHES NOMINAL
First Hole Spacing0.325 INCHES NOMINAL
Overall Width0.250 INCHES NOMINAL
Second Hole Diameter0.144 INCHES NOMINAL
Overall Height0.185 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 40351-307 available?
We can source 40351-307 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 40351-307 by The Boeing Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40351-307 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 40351-307?
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 40351-307?
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.