Raytheon · Electronic Components
A1478B
Insulator, Bushing
Part NumberA1478B
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-280-8906 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Outside Diameter0.562 INCHES NOMINAL
First Hole Spacing0.125 INCHES NOMINAL
Shank Height0.025 INCHES NOMINAL
Width Across Flats0.312 INCHES NOMINAL
Shank Outside Diameter0.438 INCHES NOMINAL
Style DesignatorSHOULDER
Overall Height0.219 INCHES NOMINAL
First Hole Diameter0.070 INCHES NOMINAL
Second Hole Diameter0.147 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 A1478B available?
We can source A1478B 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 A1478B by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A1478B 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 A1478B?
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 A1478B?
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.