PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-12772Transformer,audio Frequency

Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. · NSN 5950-00-057-0763 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-057-0763 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-057-0763. Primary manufacturer part number: 3-12772.
Features
  • Transformer,audio Frequency — FSC 5950
  • Terminal Type and Quantity: 5 TAB, SOLDER LUG
  • Body Width: 1.125 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Hole Diameter: 0.102 INCHES NOMINAL SINGLE GROUP IN
  • Impedance Rating in Ohms: 2000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Maximum Transformer Power Rating: 16.8 MILLIWATTS SINGLE COMPONENT
  • Frequency Rating: 70.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-057-0763, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-057-0763
Primary Part Number3-12772
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTe Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.
StatusACTIVE
Terminal Type and Quantity5 TAB, SOLDER LUG
Body Width1.125 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.102 INCHES NOMINAL SINGLE GROUP IN
Impedance Rating in Ohms2000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Transformer Power Rating16.8 MILLIWATTS SINGLE COMPONENT
Frequency Rating70.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Length0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Transformer FunctionLINE
Winding Operating Current500.0 MICROAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Height1.250 INCHES NOMINAL IN
Body Length1.531 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5998-01-520-917331-277-2 INTERCHANGEABLE
Circuit Card Assembly
Inrange Technologies Corporation Div Atlantic Federal Region Sales
Cross-Reference Index
Part NumberManufacturer
3-12772 Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. (USA)
Y5862 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
Related Parts
5998-01-520-9173INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
31-277-2

Frequently Asked Questions

What is NSN 5950-00-057-0763?

NSN 5950-00-057-0763 is a Transformer,audio Frequency, manufactured by Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-057-0763?

NSN 5950-00-057-0763 has 2 cross-referenced part numbers: 3-12772 (Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc.), Y5862 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions).

What NSN replaces 5950-00-057-0763?

There is 1 known substitute for 5950-00-057-0763: 5998-01-520-9173. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-12772?

Key specifications for 3-12772: Terminal Type and Quantity: 5 TAB, SOLDER LUG; Body Width: 1.125 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Mounting Hole Diameter: 0.102 INCHES NOMINAL SINGLE GROUP IN. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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