Grainger · Electronic Components
4K858
Motor, Alternating Current
Part Number4K858
ManufacturerGrainger
AvailabilityAvailable to order — request a quote
Specifications
NSN6105-01-266-5110 (NSN)
Federal Item NameMOTOR,ALTERNATING CURRENT
Federal Supply Class6105 — Motors, Electrical
Current Rating MethodLOAD
Connection Type And Voltage Rating115.0 LINE TO NEUTRAL LOW OR 230.0 LINE TO NEUTRAL HIGH INPUT
Frame Size Designation56
PhaseSINGLE INPUT
Current Rating In Amps5.500 SINGLE INPUT
Power Rating0.750 HORSEPOWER OUTPUT
Inclosure SpecificationNEMA
Mounting MethodRESILIENT CRADLE
Frequency In Hertz60.0 INPUT
Rotor Speed Rating In Rpm1725.0 SINGLE FULL LOAD
Temp Rating40.0 AMBIENT CELSIUS
Cancelled NSN6105-00-449-5173 (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 4K858 available?
We can source 4K858 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 4K858 by Grainger obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4K858 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 4K858?
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 4K858?
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.