Honeywell Inc. Residential Div · Electronic Components
AT72D1683
Transformer, Power
Part NumberAT72D1683
ManufacturerHoneywell Inc. Residential Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-038-5472 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Terminal Type And Quantity2 WIRE LEAD AND 2 SCREW
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Body Length3.625 INCHES NOMINAL
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP
Body Height3.375 INCHES NOMINAL
Distance Between Mounting Facility3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width3.000 INCHES NOMINAL
Mounting Facility Quantity2 SINGLE GROUP
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Vendor Part Numbers4A420BL
Cancelled NSN5950-00-790-3936 (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 AT72D1683 available?
We can source AT72D1683 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 AT72D1683 by Honeywell Inc. Residential Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AT72D1683 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 AT72D1683?
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 AT72D1683?
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.