PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300073Transformer,power

Astronics Test Systems Inc · NSN 5950-01-056-7683 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-056-7683 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-056-7683. Primary manufacturer part number: 300073.
Features
  • Transformer,power — FSC 5950
  • Body Width: 2.190 INCHES NOMINAL IN
  • Body Length: 2.630 INCHES NOMINAL IN
  • Body Height: 3.600 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 250.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Voltage: 100.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
  • 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 5950-01-056-7683, 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 Astronics Test Systems Inc. Government technical data includes 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-056-7683
Primary Part Number300073
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAstronics Test Systems Inc
StatusACTIVE
Body Width2.190 INCHES NOMINAL IN
Body Length2.630 INCHES NOMINAL IN
Body Height3.600 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current250.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage100.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.250 INCHES NOMINAL SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current12.0 MILLIAMPERES AC MINIMUM SINGLE COMPONENT FIRST SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity18 WIRE LEAD
Inclosure TypePARTIALLY INCLOSED, HALF SHELL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-795-131230-007-3 INTERCHANGEABLE
Cap,protective,dust and Moisture
Bell Textron Inc
5920-01-162-5358300073 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
5930-01-483-4268300073 INTERCHANGEABLE
Switch,thermostatic
Therm-O-Disc Incorporated
Cross-Reference Index
Part NumberManufacturer
300073 PRIMARY Astronics Test Systems Inc (USA)
Related Parts
5340-00-795-1312INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
30-007-3
5920-01-162-5358INTERCHANGEABLE
FUSE,CARTRIDGE
300073
5930-01-483-4268INTERCHANGEABLE
SWITCH,THERMOSTATIC
300073

Frequently Asked Questions

What is NSN 5950-01-056-7683?

NSN 5950-01-056-7683 is a Transformer,power, manufactured by Astronics Test Systems Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-056-7683?

NSN 5950-01-056-7683 has 1 cross-referenced part number: 300073 (Astronics Test Systems Inc).

What NSN replaces 5950-01-056-7683?

There are 3 known substitutes for 5950-01-056-7683: 5340-00-795-1312, 5920-01-162-5358, 5930-01-483-4268. Verify interchangeability with system specifications before substitution.

What are the specifications of 300073?

Key specifications for 300073: Body Width: 2.190 INCHES NOMINAL IN; Body Length: 2.630 INCHES NOMINAL IN; Body Height: 3.600 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com