Naval Ship Systems Command · Electronic Components
303331
Transformer, Audio Frequency
Part Number303331
ManufacturerNaval Ship Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-647-6961 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Thread Quantity Per Inch40 SINGLE GROUP
Body Length2.000 INCHES NOMINAL
Impedance Rating In Ohms67500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Bolt Circle Diameter1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Terminal Type And Quantity6 TAB, SOLDER LUG
Primary To Secondary Turn Ratio1 TO 2.37 SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating14.25 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Outside Diameter1.630 INCHES NOMINAL
Shaft Length0.250 INCHES NOMINAL
Device Design TypeAT 9:00 OCLOCK LOCATION NOT OTHERWISE SPECIFIED
Resistance Tolerance Per Section I-10.0 TO 10.0 SINGLE SECTION
Power Dissipation Rating Per Secti5.0 FREE AIR SINGLE SECTION
Electrical Resistance Per Section1.000 KILOHMS SINGLE SECTION
Nonturn Device Radius0.562 INCHES NOMINAL
Shaft StyleROUND, SLOTTED
Shaft Diameter0.062 INCHES NOMINAL
Actuator TypeSINGLE SHAFT
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 303331 available?
We can source 303331 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 303331 by Naval Ship Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 303331 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 303331?
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 303331?
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.