ABB Installation Products · Electronic Components
2521
Box Connector, Electrical
Part Number2521
ManufacturerABB Installation Products
AvailabilityAvailable to order — request a quote
Specifications
NSN5975-00-296-1669 (NSN)
Federal Item NameBOX CONNECTOR,ELECTRICAL
Federal Supply Class5975 — Electrical Hardware and Supplies
Surface TreatmentZINC
End TypeGLAND NUT W/INTERNAL THREAD SECOND END
Item Accommodated Trade Size0.500 INCHES FIRST END
MaterialSTEEL
Conduit Type AccommodatedFLEXIBLE NONMETALLIC FIRST END
Style DesignatorSTRAIGHT
Hazardous Locations EnvironmentalRAINTIGHT AND WATERTIGHT-NEMA TYPE 4
Furnished ItemsBUSHING AND RETAINING RING
Cancelled NSN5975-01-216-7893 (cancelled)
Terminal Type And Quantity2 SCREW
Internal Circuit Configuration And1 POLE, MAINLINE, FUSED
Voltage In Volts600.0
Fuse Accommodation Quantity1
Accommodated Fuse Length5.500 INCHES NOMINAL
Fuse Terminal Type AccommodatedFERRULE
Accommodated Ferrule Diameter0.750 INCHES NOMINAL
Current Carrying Rating In Amps60.0
Overall Diameter2.218 INCHES NOMINAL
Mating End Quantity1
Shell TypeSOLID
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 2521 available?
We can source 2521 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 2521 by ABB Installation Products obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2521 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 2521?
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 2521?
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.