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Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier · Electronic Components
1091AS139
Transformer, Power
Part Number1091AS139
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-116-0905 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Length2.600 INCHES MAXIMUM
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type And Quantity7 TAB, SOLDER LUG
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage38.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width2.000 INCHES MAXIMUM
Center To Center Distance Between2.045 INCHES MINIMUM AND 2.055 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Hole Diameter0.171 INCHES MINIMUM AND 0.178 INCHES MAXIMUM SINGLE GROUP
Body Height3.700 INCHES MAXIMUM
Winding Function And Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Vendor Part Numbers52875
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 1091AS139 available?
We can source 1091AS139 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 1091AS139 by Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1091AS139 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 1091AS139?
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 1091AS139?
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.