PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3966Transformer,power

Sartron, Inc · NSN 5950-00-461-8301 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-461-8301 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-461-8301. Primary manufacturer part number: 3966.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 57.50 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 6 WIRE LEAD
  • Winding Operating Current: 25.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-461-8301, 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 Sartron, Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-461-8301
Primary Part Number3966
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSartron, Inc
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage57.50 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity6 WIRE LEAD
Winding Operating Current25.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Body Width0.688 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Body Length0.813 INCHES NOMINAL IN
Body Height0.691 INCHES NOMINAL IN
Winding Operating Voltage40.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-232-44433966 INTERCHANGEABLE
Coil,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5950-00-235-8730SC-D-1736N INTERCHANGEABLE
Coil,telephone
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5940-00-617-2673227-1157P1 INTERCHANGEABLE
Terminal,lug
Raytheon Co Equipment Development Lab
6625-01-097-47203966 INTERCHANGEABLE
Lead,test
Fluke Electronics Corp
5305-01-121-5475AMSE B18.6.3-HEX HEAD 10-24X7/8 INTERCHANGEABLE
Screw,machine
American National Standards Institute Incorporated Dba American National Standards Institute
2940-01-625-9189FIL 3966 INTERCHANGEABLE
Filter Element,fluid
National Automotive Parts Assn/napa/
Cross-Reference Index
Part NumberManufacturer
3966 PRIMARY Sartron, Inc (USA)
Related Parts
5950-00-232-4443INTERCHANGEABLE
COIL,RADIO FREQUENCY
3966
5950-00-235-8730INTERCHANGEABLE
COIL,TELEPHONE
SC-D-1736N
5940-00-617-2673INTERCHANGEABLE
TERMINAL,LUG
227-1157P1
6625-01-097-4720INTERCHANGEABLE
LEAD,TEST
3966
5305-01-121-5475INTERCHANGEABLE
SCREW,MACHINE
AMSE B18.6.3-HEX HEAD 10-24X7/8
2940-01-625-9189INTERCHANGEABLE
FILTER ELEMENT,FLUID
FIL 3966

Frequently Asked Questions

What is NSN 5950-00-461-8301?

NSN 5950-00-461-8301 is a Transformer,power, manufactured by Sartron, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-461-8301?

NSN 5950-00-461-8301 has 1 cross-referenced part number: 3966 (Sartron, Inc).

What NSN replaces 5950-00-461-8301?

There are 6 known substitutes for 5950-00-461-8301: 5950-00-232-4443, 5950-00-235-8730, 5940-00-617-2673 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3966?

Key specifications for 3966: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Winding Operating Voltage: 57.50 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Inclosure Type: FULLY INCLOSED; Terminal Type and Quantity: 6 WIRE LEAD. 13 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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