PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20570Transformer,power

Freed Transformer Co · NSN 5950-00-645-6922 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-6922 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-6922. Primary manufacturer part number: 20570.
Features
  • Transformer,power — FSC 5950
  • Body Width: 2.562 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) 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 5950-00-645-6922, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5950-00-645-6922
Primary Part Number20570
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Body Width2.562 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Winding Operating Current16.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length2.938 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height3.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3020-00-055-2109 INTERCHANGEABLE
Gear,spur
1040-00-300-426320570 INTERCHANGEABLE
Valve,assembly,inle
L3harris Technologies, Inc. Div Space and Airborne Systems
5340-00-311-4107205-70 INTERCHANGEABLE
Handle,bow
Cmc of Georgia, Inc.
3750-00-527-804920053 AND 59302 INTERCHANGEABLE
Mower,lawn,power
Toro Co the
5960-00-754-6359742534 INTERCHANGEABLE
Electron Tube
L3harris Cincinnati Electronics Corporation
3820-00-800-034720570 INTERCHANGEABLE
Liner Hopper
Eagle Crusher Co Inc Dba Stedman Machine Co
6685-01-058-5984N20570 INTERCHANGEABLE
Yoke
Leslie Controls, Inc. Dba Leslie Controls Inc
3810-01-263-7198 INTERCHANGEABLE
Drive Assembly,load Lowering
5120-01-430-8157 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5340-01-441-964520570 INTERCHANGEABLE
Strap,webbing
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
S6270 United Transformer Corp Sub of Opt Industries Inc (USA)
742534 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
S6270 Magnetika Inc (USA)
20570 PRIMARY Freed Transformer Co (USA)
Related Parts
3020-00-055-2109INTERCHANGEABLE
GEAR,SPUR
1040-00-300-4263INTERCHANGEABLE
VALVE,ASSEMBLY,INLE
20570
5340-00-311-4107INTERCHANGEABLE
HANDLE,BOW
205-70
3750-00-527-8049INTERCHANGEABLE
MOWER,LAWN,POWER
20053 AND 59302
5960-00-754-6359INTERCHANGEABLE
ELECTRON TUBE
742534
3820-00-800-0347INTERCHANGEABLE
LINER HOPPER
20570
6685-01-058-5984INTERCHANGEABLE
YOKE
N20570
3810-01-263-7198INTERCHANGEABLE
DRIVE ASSEMBLY,LOAD LOWERING
5120-01-430-8157INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5340-01-441-9645INTERCHANGEABLE
STRAP,WEBBING
20570

Frequently Asked Questions

What is NSN 5950-00-645-6922?

NSN 5950-00-645-6922 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 5950-00-645-6922?

NSN 5950-00-645-6922 has 4 cross-referenced part numbers: S6270 (United Transformer Corp Sub of Opt Industries Inc), 742534 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), S6270 (Magnetika Inc), 20570 (Freed Transformer Co).

What NSN replaces 5950-00-645-6922?

There are 10 known substitutes for 5950-00-645-6922: 3020-00-055-2109, 1040-00-300-4263, 5340-00-311-4107 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20570?

Key specifications for 20570: Body Width: 2.562 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP; Thread Quantity Per Inch: 32 SINGLE GROUP; Mounting Method: THREADED STUD(S) SINGLE GROUP. 18 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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