PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37170Transformer,power

Freed Transformer Co · NSN 5950-00-198-8682 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-198-8682 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-198-8682. Primary manufacturer part number: 37170.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 300.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Winding Operating Current: 20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Voltage: 250.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Current: 360.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Hole Diameter: 0.220 INCHES NOMINAL SINGLE GROUP IN
  • Terminal Type and Quantity: 10 TAB, SOLDER LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-198-8682, 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 Freed Transformer Co. Government technical data includes 21 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-198-8682
Primary Part Number37170
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Winding Operating Voltage300.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Current20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage250.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current360.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Hole Diameter0.220 INCHES NOMINAL SINGLE GROUP IN
Terminal Type and Quantity10 TAB, SOLDER LUG
Winding Operating Voltage30.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Winding Operating Voltage208.00 AC VOLTS NOMINAL AND 230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Body Height4.250 INCHES NOMINAL IN
Body Width3.230 INCHES NOMINAL IN
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity6 SINGLE GROUP
Body Length4.000 INCHES NOMINAL IN
Winding Operating Current120.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5820-01-290-408937170 INTERCHANGEABLE
Camera,television
Videospection Inc. Dba Videospection of Utah
3010-01-331-18693-28021 INTERCHANGEABLE
Disk,clutch,nonvehicular
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
6350-01-523-125037170 INTERCHANGEABLE
Alarm-Monitor
Consilium Marine Us Inc Dba Consilium Marine Us Inc
4320-01-732-287037170 INTERCHANGEABLE
Valve Flapper,pump
Industrial Technologies and Services Llc
Cross-Reference Index
Part NumberManufacturer
37170 Freed Transformer Co (USA)
672-0256-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5820-01-290-4089INTERCHANGEABLE
CAMERA,TELEVISION
37170
3010-01-331-1869INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
3-28021
6350-01-523-1250INTERCHANGEABLE
ALARM-MONITOR
37170
4320-01-732-2870INTERCHANGEABLE
VALVE FLAPPER,PUMP
37170

Frequently Asked Questions

What is NSN 5950-00-198-8682?

NSN 5950-00-198-8682 is a Transformer,power, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-198-8682?

NSN 5950-00-198-8682 has 2 cross-referenced part numbers: 37170 (Freed Transformer Co), 672-0256-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-00-198-8682?

There are 4 known substitutes for 5950-00-198-8682: 5820-01-290-4089, 3010-01-331-1869, 6350-01-523-1250 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37170?

Key specifications for 37170: Winding Operating Voltage: 300.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY; Winding Operating Current: 20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY; Winding Operating Voltage: 250.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Winding Operating Current: 360.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY. 22 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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