General Dynamics Defense Systems Inc. · Electronic Components
687A421G2
Motor, Alternating Current
Part Number687A421G2
ManufacturerGeneral Dynamics Defense Systems Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6105-00-103-9661 (NSN)
Federal Item NameMOTOR,ALTERNATING CURRENT
Federal Supply Class6105 — Motors, Electrical
Overall Height4.188 INCHES
Mounting MethodRESILIENT CRADLE
Overall Width3.844 INCHES
Length Of Shaft From Housing1.500 INCHES SINGLE END
Shaft End StyleWORM SINGLE END
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Shaft Diameter0.3750 INCHES NOMINAL SINGLE END
Terminal Type And Quantity3 WIRE LEAD
Nominal Center To Center Distance2.406 INCHES
Overall Length6.375 INCHES
Shaft Center To Mounting Surface D2.438 INCHES SINGLE END
Vendor Part Numbers693A608
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 687A421G2 available?
We can source 687A421G2 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 687A421G2 by General Dynamics Defense Systems Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 687A421G2 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 687A421G2?
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 687A421G2?
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.