PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33351Transformer,power

Freed Transformer Co · NSN 5950-00-822-0853 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-822-0853 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-822-0853. Primary manufacturer part number: 33351.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 11.32 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Body Height: 0.812 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-822-0853, 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 16 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-822-0853
Primary Part Number33351
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Winding Operating Voltage11.32 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity2 SINGLE GROUP
Body Height0.812 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP IN
Body Width1.000 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Winding Operating Voltage12.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Distance Between Mounting Facility Centers1.359 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage11.38 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Length1.156 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6620-00-229-0652 INTERCHANGEABLE
Gage Unit,engine
6620-00-242-3230 INTERCHANGEABLE
Gage Unit,engine
5306-00-732-8294649877 INTERCHANGEABLE
Bolt,ribbed Shoulder
Am General Llc
4820-00-866-9345730715 INTERCHANGEABLE
Packing Valve
The Walworth Company
5930-00-871-0992012-1594 INTERCHANGEABLE
Switch,pressure
Ranco Inc Ranco Controls Div
2940-00-920-685233230 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
4820-01-240-8386A07-2035B-02TS INTERCHANGEABLE
Valve,check
Velan Valve Corp.
3010-01-306-6090203839 INTERCHANGEABLE
Plate,rotation
Eaton Corporation Dba Airflex Div Div Airflex
4730-01-568-0604203839 INTERCHANGEABLE
Packing Nut
Marine Electric Systems Inc
6520-01-710-449833351 INTERCHANGEABLE
Resin,restorative,dental
Kerr Corporation
Cross-Reference Index
Part NumberManufacturer
203-839 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
33351 PRIMARY Freed Transformer Co (USA)
Related Parts
6620-00-229-0652INTERCHANGEABLE
GAGE UNIT,ENGINE
6620-00-242-3230INTERCHANGEABLE
GAGE UNIT,ENGINE
5306-00-732-8294INTERCHANGEABLE
BOLT,RIBBED SHOULDER
649877
4820-00-866-9345INTERCHANGEABLE
PACKING VALVE
730715
5930-00-871-0992INTERCHANGEABLE
SWITCH,PRESSURE
012-1594
2940-00-920-6852INTERCHANGEABLE
FILTER ELEMENT,FLUID
33230
4820-01-240-8386INTERCHANGEABLE
VALVE,CHECK
A07-2035B-02TS
3010-01-306-6090INTERCHANGEABLE
PLATE,ROTATION
203839
4730-01-568-0604INTERCHANGEABLE
PACKING NUT
203839
6520-01-710-4498INTERCHANGEABLE
RESIN,RESTORATIVE,DENTAL
33351

Frequently Asked Questions

What is NSN 5950-00-822-0853?

NSN 5950-00-822-0853 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 5950-00-822-0853?

NSN 5950-00-822-0853 has 2 cross-referenced part numbers: 203-839 (Lockheed Martin Corporation Div Rms - Mitchel Field), 33351 (Freed Transformer Co).

What NSN replaces 5950-00-822-0853?

There are 10 known substitutes for 5950-00-822-0853: 6620-00-229-0652, 6620-00-242-3230, 5306-00-732-8294 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33351?

Key specifications for 33351: Winding Operating Voltage: 11.32 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Mounting Facility Quantity: 2 SINGLE GROUP; Body Height: 0.812 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT. 16 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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