Mil Spec Inc. · Electronic Components
MR0051
Motor, Alternating Current
Part NumberMR0051
ManufacturerMil Spec Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6105-01-359-3763 (NSN)
Federal Item NameMOTOR,ALTERNATING CURRENT
Federal Supply Class6105 — Motors, Electrical
Connection Type And Voltage Rating440.0 LINE TO NEUTRAL SINGLE INPUT
Inclosure SpecificationNEMA
Length Of Shaft From Housing1.902 INCHES IDENTICAL ENDS
PhaseTHREE INPUT
Keyway Depth0.1075 INCHES MINIMUM AND 0.1080 INCHES MAXIMUM IDENTICAL ENDS
Keyway Length1.750 INCHES NOMINAL IDENTICAL ENDS
Mounting MethodFIXED BASE
Winding TypeINDUCTION-SQUIRREL CAGE
Frame Size Designation56
Cooling MethodAMBIENT AIR
Terminal Type And Quantity3 WIRE LEAD
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 MR0051 available?
We can source MR0051 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 MR0051 by Mil Spec Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MR0051 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 MR0051?
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 MR0051?
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.