CISCO SYSTEMS · Electronic Components
2821
W/ AC PWR 2GE 4HWIC 3PVDM
Part Number2821
ManufacturerCISCO SYSTEMS
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-315-0921 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Mating End Quantity1
Terminal LocationFRONT ALL MATING ENDS ALL CONTACT GROUPINGS
Contact Position Arrangement StyleL21-20 ALL MATING ENDS
Overall Diameter2.218 INCHES NOMINAL
Overall Height2.750 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE W/O CLAMP
ESD/EMICode A — ESD/EMI sensitive item
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 2821 available?
We can source 2821 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 2821 by CISCO SYSTEMS obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2821 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 2821?
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 2821?
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.