PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55-0300-1Transformer,power Autotransforme

Grimes Aerospace Company · NSN 5950-01-054-7960 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-054-7960 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-054-7960. Primary manufacturer part number: 55-0300-1.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Winding Power Rating: 10.0 WATTS SINGLE COMPONENT SINGLE PRIMARY
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Body Length: 2.500 INCHES MAXIMUM IN
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Body Width: 1.188 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Frequency Rating: 400.0 HERTZ NOMINAL 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 5950-01-054-7960, 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 Grimes Aerospace Company. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-054-7960
Primary Part Number55-0300-1
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGrimes Aerospace Company
StatusACTIVE
Winding Power Rating10.0 WATTS SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Body Length2.500 INCHES MAXIMUM IN
Maximum Operating Temp105.0 CELSIUS DEGC
Body Width1.188 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage10.00 AC VOLTS NOMINAL AND 28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current5.0 AMPERES AC MINIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity4 THREADED STUD
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width0.937 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length0.937 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNF SINGLE GROUP
Body Height1.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-554-2972 INTERCHANGEABLE
Bearing,ball,annular
5950-01-086-0470654E4690-5 INTERCHANGEABLE
Coil,electrical
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
7310-01-442-5684 INTERCHANGEABLE
Leg Assembly
Cross-Reference Index
Part NumberManufacturer
654E4690-5 Precision Electronics, Inc (USA)
PAS-411 United Transformer Corp Sub of Opt Industries Inc (USA)
ST-274 Norlake Manufacturing Co (USA)
55-0300-1 PRIMARY Grimes Aerospace Company (USA)
PAS-411 Magnetika Inc (USA)
Related Parts
3110-00-554-2972INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-01-086-0470INTERCHANGEABLE
COIL,ELECTRICAL
654E4690-5
7310-01-442-5684INTERCHANGEABLE
LEG ASSEMBLY

Frequently Asked Questions

What is NSN 5950-01-054-7960?

NSN 5950-01-054-7960 is a Transformer,power Autotransforme, manufactured by Grimes Aerospace Company, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-054-7960?

NSN 5950-01-054-7960 has 5 cross-referenced part numbers: 654E4690-5 (Precision Electronics, Inc), PAS-411 (United Transformer Corp Sub of Opt Industries Inc), ST-274 (Norlake Manufacturing Co), 55-0300-1 (Grimes Aerospace Company), PAS-411 (Magnetika Inc).

What NSN replaces 5950-01-054-7960?

There are 3 known substitutes for 5950-01-054-7960: 3110-00-554-2972, 5950-01-086-0470, 7310-01-442-5684. Verify interchangeability with system specifications before substitution.

What are the specifications of 55-0300-1?

Key specifications for 55-0300-1: Winding Power Rating: 10.0 WATTS SINGLE COMPONENT SINGLE PRIMARY; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN; Body Length: 2.500 INCHES MAXIMUM IN; Maximum Operating Temp: 105.0 CELSIUS DEGC. 20 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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