PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19157Transformer,power

Astec America Inc. · NSN 5950-00-754-7653 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-754-7653 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-754-7653. Primary manufacturer part number: 19157.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 37.70 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 6.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 3.5 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • 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 5950-00-754-7653, 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 19 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-754-7653
Primary Part Number19157
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAstec America Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Operating Voltage37.70 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length6.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current3.5 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Body Height5.000 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity8 WIRE LEAD
Body Width4.000 INCHES NOMINAL IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Mounting Hole Diameter0.250 INCHES NOMINAL SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage19.70 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Length7.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-155-6276147-211-2 INTERCHANGEABLE
Bearing,ball,annular
Dana Corp Spicer Transmission Div
5330-00-909-704019157 INTERCHANGEABLE
Packing,preformed
Mission Systems Orchard Park Inc
5365-00-910-1014 INTERCHANGEABLE
Spacer
9330-01-268-71086163060 INTERCHANGEABLE
Window,observation
Exelis Inc.
4730-01-622-7801 INTERCHANGEABLE
Coupling,tube
Cross-Reference Index
Part NumberManufacturer
19157 PRIMARY Astec America Inc. (USA)
Related Parts
3110-00-155-6276INTERCHANGEABLE
BEARING,BALL,ANNULAR
147-211-2
5330-00-909-7040INTERCHANGEABLE
PACKING,PREFORMED
19157
5365-00-910-1014INTERCHANGEABLE
SPACER
9330-01-268-7108INTERCHANGEABLE
WINDOW,OBSERVATION
6163060
4730-01-622-7801INTERCHANGEABLE
COUPLING,TUBE

Frequently Asked Questions

What is NSN 5950-00-754-7653?

NSN 5950-00-754-7653 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 5950-00-754-7653?

NSN 5950-00-754-7653 has 1 cross-referenced part number: 19157 (Astec America Inc.).

What NSN replaces 5950-00-754-7653?

There are 5 known substitutes for 5950-00-754-7653: 3110-00-155-6276, 5330-00-909-7040, 5365-00-910-1014 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19157?

Key specifications for 19157: Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Winding Operating Voltage: 37.70 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY. 19 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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