Hoffman Engineering Co · Electronic Components
E1PBX
Junction Box
Part NumberE1PBX
ManufacturerHoffman Engineering Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5975-01-290-8762 (NSN)
Federal Item NameJUNCTION BOX
Federal Supply Class5975 — Electrical Hardware and Supplies
Style DesignatorC TYPE-END TO END PULL BOX
Overall Width4.218 INCHES NOMINAL
Overall Length5.000 INCHES NOMINAL
Body Length4.000 INCHES NOMINAL
Mounting Feet Length0.500 INCHES NOMINAL
Inside Depth4.750 INCHES NOMINAL
Second Center To Center Distance B3.125 INCHES NOMINAL
First Center To Center Distance Be4.500 INCHES NOMINAL
Surface TreatmentPHOSPHATE OVERALL
MaterialSTEEL OVERALL
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 E1PBX available?
We can source E1PBX 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 E1PBX by Hoffman Engineering Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If E1PBX 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 E1PBX?
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 E1PBX?
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.