NAVAIR/NAVSEA Design Activity · Electronic Components
2891891-1
Transformer, Power
Part Number2891891-1
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-032-8336 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Body Length2.187 INCHES MINIMUM AND 2.312 INCHES MAXIMUM
Thread Quantity Per Inch32 SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type And Quantity4 TURRET
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Center To Center Distance Between1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Winding Operating Voltage6.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
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 2891891-1 available?
We can source 2891891-1 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 2891891-1 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2891891-1 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 2891891-1?
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 2891891-1?
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.