Ni Industries Inc. Bowers Mfg Co Div · Electronic Components
502B
Cover, Junction Box
Part Number502B
ManufacturerNi Industries Inc. Bowers Mfg Co Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5975-00-188-1153 (NSN)
Federal Item NameCOVER,JUNCTION BOX
Federal Supply Class5975 — Electrical Hardware and Supplies
Overall Height0.625 INCHES NOMINAL
Cover TypeRAISED
MaterialSTEEL COVER
Outside Diameter4.000 INCHES NOMINAL
Cover Mounting Hole Quantity2
Standard Wiring Device Quantity1
Cover Opening Shape And Quantity1 ROUND
Surface TreatmentZINC OR CADMIUM COVER
Nondefinitive Spec Std Data8 TYPE AND 46 STYLE AND S SIZE
Cancelled NSN5975-00-243-0175 (cancelled)
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 502B available?
We can source 502B 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 502B by Ni Industries Inc. Bowers Mfg Co Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 502B 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 502B?
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 502B?
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.