PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1040A-309Transformer,power

Arbiter Systems, Inc. · NSN 5950-01-312-1165 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-312-1165 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-312-1165. Primary manufacturer part number: 1040A-309.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 5 TAB, SOLDER LUG
  • Winding Operating Voltage: 15.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 500.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Winding Operating Voltage: 150.00 AC VOLTS NOMINAL AND 750.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Length: 2.750 INCHES NOMINAL IN
  • Inclosure Type: OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-312-1165, 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 Arbiter Systems, Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-312-1165
Primary Part Number1040A-309
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerArbiter Systems, Inc.
StatusACTIVE
Terminal Type and Quantity5 TAB, SOLDER LUG
Winding Operating Voltage15.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating50.0 HERTZ MINIMUM AND 500.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage150.00 AC VOLTS NOMINAL AND 750.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length2.750 INCHES NOMINAL IN
Inclosure TypeOPEN
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Power Rating225.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
Mounting Hole Diameter0.150 INCHES NOMINAL SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Width2.500 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-00-607-09441412511 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
1040A-309 Arbiter Systems, Inc. (USA)
TN0001200A Arbiter Systems, Inc. (USA)
DM1007 Tranex, Inc. (USA)
Related Parts
5935-00-607-0944INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1412511

Frequently Asked Questions

What is NSN 5950-01-312-1165?

NSN 5950-01-312-1165 is a Transformer,power, manufactured by Arbiter Systems, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-312-1165?

NSN 5950-01-312-1165 has 3 cross-referenced part numbers: 1040A-309 (Arbiter Systems, Inc.), TN0001200A (Arbiter Systems, Inc.), DM1007 (Tranex, Inc.).

What NSN replaces 5950-01-312-1165?

There is 1 known substitute for 5950-01-312-1165: 5935-00-607-0944. Verify interchangeability with system specifications before substitution.

What are the specifications of 1040A-309?

Key specifications for 1040A-309: Terminal Type and Quantity: 5 TAB, SOLDER LUG; Winding Operating Voltage: 15.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Frequency Rating: 50.0 HERTZ MINIMUM AND 500.0 HERTZ MAXIMUM SINGLE COMPONENT; Winding Operating Voltage: 150.00 AC VOLTS NOMINAL AND 750.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 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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