Technical Services Laboratory · Electronic Components
AC257-2-1
Reactor — Coils and Transformers
Part NumberAC257-2-1
ManufacturerTechnical Services Laboratory
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-463-3042 (NSN)
Federal Item NameREACTOR
Federal Supply Class5950 — Coils and Transformers
Turn Quantity14 SINGLE COMPONENT SINGLE WINDING
Inductance Rating0.90 MICROHENRIES MINIMUM AND 2.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
Winding Conductor Size0.00397 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Mounting MethodPLUG-IN SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
Inductance TypeMECHANICALLY ADJUSTABLE
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Outside Diameter0.250 INCHES NOMINAL
Body Length0.625 INCHES NOMINAL
Terminal Type And Quantity2 PIN
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 AC257-2-1 available?
We can source AC257-2-1 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 AC257-2-1 by Technical Services Laboratory obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AC257-2-1 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 AC257-2-1?
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 AC257-2-1?
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.