Electric Boat Corporation · Electronic Components
B40791A
Winding, Motor Field
Part NumberB40791A
ManufacturerElectric Boat Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN6105-00-239-9870 (NSN)
Federal Item NameWINDING,MOTOR FIELD
Federal Supply Class6105 — Motors, Electrical
Impregnation MaterialVARNISH
Outside Length5.000 INCHES NOMINAL SINGLE WINDING
Coil Inside Length4.000 INCHES NOMINAL SINGLE WINDING
Thickness2.000 INCHES NOMINAL SINGLE WINDING
Unable To DecodeUNABLE TO DECODE
Outside Width2.125 INCHES NOMINAL SINGLE WINDING
Terminal Type And Quantity2 ROUND WIRE LEAD ALL TERMINALS
Conductor Turn Quantity45.00 SINGLE WINDING
Conductor Wire SizeAWG 8 SINGLE WINDING
Coil Inside Width0.875 INCHES NOMINAL SINGLE WINDING
Coil Type And Quantity1 FLAT
Vendor Part NumbersB40791PC1, D63-982-3PC42
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 B40791A available?
We can source B40791A 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 B40791A by Electric Boat Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B40791A 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 B40791A?
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 B40791A?
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.