APEM Components · Electronic Components
U21
SWITCH HARDWARE
Part NumberU21
ManufacturerAPEM Components
AvailabilityAvailable to order — request a quote
Specifications
NSN6105-00-372-4711 (NSN)
Federal Item NameMOTOR,ALTERNATING CURRENT
Federal Supply Class6105 — Motors, Electrical
Shaft Diameter0.2500 INCHES NOMINAL SINGLE END
Thread Length0.2500 INCHES NOMINAL SINGLE END
Flatted Portion Length0.3750 INCHES NOMINAL SINGLE END
Enclosure FeatureOPEN PROTECTED
Current Rating MethodLOAD
Shaft End StyleEXTERNAL THREADED AND FLATTED SINGLE END
Cooling MethodFAN COOLED
Features ProvidedTHERMAL PROTECTIVE DEVICE AND VERTICAL MOUNTING POSITION
Shaft Rotation DirectionCLOCKWISE OR COUNTERCLOCKWISE SINGLE END
Flat Depth0.0620 INCHES NOMINAL SINGLE END
Connection Type And Voltage Rating115.0 LINE TO NEUTRAL SINGLE INPUT
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 U21 available?
We can source U21 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 U21 by APEM Components obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If U21 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 U21?
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 U21?
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.