● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Electric Boat Corporation  · Electronic Components

ESI51-3

Winding, Motor Field

Part NumberESI51-3
ManufacturerElectric Boat Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameWINDING,MOTOR FIELD
Federal Supply Class6105 — Motors, Electrical
Conductor Turn Quantity42.00 SINGLE WINDING
Impregnation MaterialVARNISH
Conductor Wire SizeAWG 8 SINGLE WINDING
Thickness2.500 INCHES NOMINAL SINGLE WINDING
Unable To DecodeUNABLE TO DECODE
Outside Length6.000 INCHES NOMINAL SINGLE WINDING
Coil Inside Length4.750 INCHES NOMINAL SINGLE WINDING
Coil Type And Quantity1 FLAT
Terminal Type And Quantity2 FLAT WIRE LEAD ALL TERMINALS
FSC Application DataEXCEPT ENGINE
Coil Inside Width0.750 INCHES NOMINAL SINGLE WINDING
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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

Frequently asked

Is ESI51-3 available?
We can source ESI51-3 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 ESI51-3 by Electric Boat Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ESI51-3 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 ESI51-3?
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 ESI51-3?
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.