PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1954A2Transformer,power Autotransforme

Amerace Corp Elastimold Div · NSN 5950-00-866-9886 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-866-9886 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-866-9886. Primary manufacturer part number: 1954A2.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 6.53 AMPERES AC MINIMUM AND 6.67 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 3 WIRE LEAD
  • Specification/standard Data: 96906-MS27289 GOVERNMENT STANDARD
  • Winding Operating Current: 6.6 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-866-9886, 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 Amerace Corp Elastimold Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-866-9886
Primary Part Number1954A2
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAmerace Corp Elastimold Div
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current6.53 AMPERES AC MINIMUM AND 6.67 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity3 WIRE LEAD
Specification/standard Data96906-MS27289 GOVERNMENT STANDARD
Winding Operating Current6.6 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Test Data Document81349-MIL-T-27535 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Mounting MethodTERMINAL SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5950-00-096-2552 INTERCHANGEABLE
Transformer,power
5950-00-133-8946 INTERCHANGEABLE
Transformer,power
5950-00-903-0829 INTERCHANGEABLE
Transformer,power
5950-00-930-3787 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
1954A2 Amerace Corp Elastimold Div (USA)
MIL-T-52497-TYPE I Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-T-52497 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS27289-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-T-27535 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5950-00-096-2552INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-133-8946INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-903-0829INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-930-3787INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5950-00-866-9886?

NSN 5950-00-866-9886 is a Transformer,power Autotransforme, manufactured by Amerace Corp Elastimold Div, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-866-9886?

NSN 5950-00-866-9886 has 5 cross-referenced part numbers: 1954A2 (Amerace Corp Elastimold Div), MIL-T-52497-TYPE I (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-T-52497 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS27289-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-T-27535 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5950-00-866-9886?

There are 4 known substitutes for 5950-00-866-9886: 5950-00-096-2552, 5950-00-133-8946, 5950-00-903-0829 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1954A2?

Key specifications for 1954A2: Reliability Indicator: NOT ESTABLISHED; Winding Operating Current: 6.53 AMPERES AC MINIMUM AND 6.67 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Inclosure Type: FULLY INCLOSED; Terminal Type and Quantity: 3 WIRE LEAD. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-866-9886 still in active supply?

NSN 5950-00-866-9886 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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