PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20475Transformer,power

Astec America Inc. · NSN 5950-00-129-6671 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-129-6671 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-129-6671. Primary manufacturer part number: 20475.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 7.70 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Body Width: 3.310 INCHES NOMINAL IN
  • Mounting Slot Width: 0.340 INCHES NOMINAL SINGLE GROUP IN
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
  • Terminal Type and Quantity: 10 TAB, SOLDER LUG
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 7.70 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-129-6671, 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 Astec America Inc.. Government technical data includes 18 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
NSN5950-00-129-6671
Primary Part Number20475
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAstec America Inc.
StatusACTIVE
Winding Operating Voltage7.70 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Width3.310 INCHES NOMINAL IN
Mounting Slot Width0.340 INCHES NOMINAL SINGLE GROUP IN
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Terminal Type and Quantity10 TAB, SOLDER LUG
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage7.70 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage40.70 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Body Length4.750 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage40.70 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Body Height4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4310-00-374-7013204-75 INTERCHANGEABLE
Ring Set,piston
Dresser Industries Inc Leroi Div
4720-00-421-143320475 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5940-00-707-4967MX1684AU INTERCHANGEABLE
Ferrule,metallic Shielded Cable,
Joint Electronics Type Designation System
5360-01-032-314620475 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6630-01-054-433140-703 INTERCHANGEABLE
Analyzer,gas
Burrell Scientific, Inc.
5915-01-123-995420475 INTERCHANGEABLE
Filter,band Pass
Alpha Components Inc
5325-01-255-2605 INTERCHANGEABLE
Ring,retaining
1660-01-521-092920475 INTERCHANGEABLE
Filter Element,air Conditioning
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
6505-01-590-022840800 INTERCHANGEABLE
Anticoagulant Citrate Dextrose S
Terumo Bct Inc Dba Caridianbct Inc
4820-01-642-002920475 INTERCHANGEABLE
Valve,ball
United States Plastic Corp
Cross-Reference Index
Part NumberManufacturer
20475 PRIMARY Astec America Inc. (USA)
5006600 International Telephone and Telegraph Corp Itt Gilfillan Div (USA)
Related Parts
4310-00-374-7013INTERCHANGEABLE
RING SET,PISTON
204-75
4720-00-421-1433INTERCHANGEABLE
HOSE,PREFORMED
20475
5940-00-707-4967INTERCHANGEABLE
FERRULE,METALLIC SHIELDED CABLE,
MX1684AU
5360-01-032-3146INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20475
6630-01-054-4331INTERCHANGEABLE
ANALYZER,GAS
40-703
5915-01-123-9954INTERCHANGEABLE
FILTER,BAND PASS
20475
5325-01-255-2605INTERCHANGEABLE
RING,RETAINING
1660-01-521-0929INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
20475
6505-01-590-0228INTERCHANGEABLE
ANTICOAGULANT CITRATE DEXTROSE S
40800
4820-01-642-0029INTERCHANGEABLE
VALVE,BALL
20475

Frequently Asked Questions

What is NSN 5950-00-129-6671?

NSN 5950-00-129-6671 is a Transformer,power, manufactured by Astec America Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-129-6671?

NSN 5950-00-129-6671 has 2 cross-referenced part numbers: 20475 (Astec America Inc.), 5006600 (International Telephone and Telegraph Corp Itt Gilfillan Div).

What NSN replaces 5950-00-129-6671?

There are 10 known substitutes for 5950-00-129-6671: 4310-00-374-7013, 4720-00-421-1433, 5940-00-707-4967 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20475?

Key specifications for 20475: Winding Operating Voltage: 7.70 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Body Width: 3.310 INCHES NOMINAL IN; Mounting Slot Width: 0.340 INCHES NOMINAL SINGLE GROUP IN; Mounting Method: FLANGE AND SLOT 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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