PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DU-1/2Transformer,power

Signal Transformer Co Inc · NSN 5950-00-520-2693 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-520-2693 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-520-2693. Primary manufacturer part number: DU-1/2.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 16 THREADED STUD
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Current: 4.6 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
  • Mounting Slot Width: 0.196 INCHES NOMINAL SINGLE GROUP IN
  • Winding Operating Voltage: 104.00 AC VOLTS NOMINAL AND 110.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Maximum Transformer Power Rating: 0.5 KILOVOLT-AMPERE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-520-2693, 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 Signal Transformer Co Inc. Government technical data includes 16 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-520-2693
Primary Part NumberDU-1/2
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSignal Transformer Co Inc
StatusACTIVE
Terminal Type and Quantity16 THREADED STUD
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current4.6 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Mounting Slot Width0.196 INCHES NOMINAL SINGLE GROUP IN
Winding Operating Voltage104.00 AC VOLTS NOMINAL AND 110.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Maximum Transformer Power Rating0.5 KILOVOLT-AMPERE SINGLE COMPONENT
Winding Function and Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Inclosure TypeOPEN
Frequency Rating50.0 HERTZ MINIMUM AND 500.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage104.00 AC VOLTS NOMINAL AND 110.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length4.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-061-550210180302-3 INTERCHANGEABLE
Bearing,washer,thrust
Us Army Aviation and Missile Command
3010-00-575-6840U1-2 INTERCHANGEABLE
Gear Assembly,speed Decreaser
Roller Bearing Co of America, Inc Div Pic Design
5950-01-083-4039 INTERCHANGEABLE
Transformer,power
3120-01-187-95857-317236816 INTERCHANGEABLE
Bearing,washer,thrust
Ggb Llc
Cross-Reference Index
Part NumberManufacturer
DU-1/2 Signal Transformer Co Inc (USA)
Related Parts
3120-00-061-5502INTERCHANGEABLE
BEARING,WASHER,THRUST
10180302-3
3010-00-575-6840INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
U1-2
5950-01-083-4039INTERCHANGEABLE
TRANSFORMER,POWER
3120-01-187-9585INTERCHANGEABLE
BEARING,WASHER,THRUST
7-317236816

Frequently Asked Questions

What is NSN 5950-00-520-2693?

NSN 5950-00-520-2693 is a Transformer,power, manufactured by Signal Transformer Co Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-520-2693?

NSN 5950-00-520-2693 has 1 cross-referenced part number: DU-1/2 (Signal Transformer Co Inc).

What NSN replaces 5950-00-520-2693?

There are 4 known substitutes for 5950-00-520-2693: 3120-00-061-5502, 3010-00-575-6840, 5950-01-083-4039 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DU-1/2?

Key specifications for DU-1/2: Terminal Type and Quantity: 16 THREADED STUD; Mounting Method: FLANGE AND SLOT SINGLE GROUP; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Winding Operating Current: 4.6 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY. 19 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