PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120-0.5Transformer,power

Signal Transformer Co Inc · NSN 5950-01-020-3334 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-020-3334 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-020-3334. Primary manufacturer part number: 120-0.5.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 500.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Inclosure Type: OPEN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Length: 3.375 INCHES NOMINAL IN
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY 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 5950-01-020-3334, 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 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-020-3334
Primary Part Number120-0.5
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSignal Transformer Co Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Frequency Rating50.0 HERTZ MINIMUM AND 500.0 HERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeOPEN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length3.375 INCHES NOMINAL IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity8 TAB, SOLDER LUG
Winding Operating Current500.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Slot Width0.050 INCHES NOMINAL SINGLE GROUP IN
Body Height2.812 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Winding Operating Voltage60.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Body Width2.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5110-00-224-7911PD5110-00-224-7911 INTERCHANGEABLE
Plane,jack
General Services Administration Federal Supply Service
5815-00-537-7697SM-B-187179 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1650-00-723-579412005 INTERCHANGEABLE
Latch,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5905-00-783-5194 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5315-01-067-310612005 INTERCHANGEABLE
Pin
Paccar Winch Inc Dba Paccar Winch Division
5355-01-070-8744 INTERCHANGEABLE
Knob,test Method
5910-01-126-2336951-491401 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cd Snow Hill, Llc
4820-01-153-1403 INTERCHANGEABLE
Valve,safety Relief
7930-01-224-31591030018 INTERCHANGEABLE
Cleaning Solution,porcelain
Waxie's Enterprises, Llc Dba Waxie Sanitary Supply Div San Diego
2640-01-326-256912-005 INTERCHANGEABLE
Patch,inner Tube Repair
Patch Rubber Co
Cross-Reference Index
Part NumberManufacturer
120-0.5 Signal Transformer Co Inc (USA)
Related Parts
5110-00-224-7911INTERCHANGEABLE
PLANE,JACK
PD5110-00-224-7911
5815-00-537-7697INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-187179
1650-00-723-5794INTERCHANGEABLE
LATCH,VALVE
12005
5905-00-783-5194INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5315-01-067-3106INTERCHANGEABLE
PIN
12005
5355-01-070-8744INTERCHANGEABLE
KNOB,TEST METHOD
5910-01-126-2336INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
951-491401
4820-01-153-1403INTERCHANGEABLE
VALVE,SAFETY RELIEF
7930-01-224-3159INTERCHANGEABLE
CLEANING SOLUTION,PORCELAIN
1030018
2640-01-326-2569INTERCHANGEABLE
PATCH,INNER TUBE REPAIR
12-005
1660-01-462-3541INTERCHANGEABLE
VALVE,ACCESS
12-005
9150-01-470-2400INTERCHANGEABLE
GREASE,ORDNANCE,EXTREME PRESSURE
12005

Frequently Asked Questions

What is NSN 5950-01-020-3334?

NSN 5950-01-020-3334 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 5950-01-020-3334?

NSN 5950-01-020-3334 has 1 cross-referenced part number: 120-0.5 (Signal Transformer Co Inc).

What NSN replaces 5950-01-020-3334?

There are 12 known substitutes for 5950-01-020-3334: 5110-00-224-7911, 5815-00-537-7697, 1650-00-723-5794 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120-0.5?

Key specifications for 120-0.5: Reliability Indicator: NOT ESTABLISHED; Frequency Rating: 50.0 HERTZ MINIMUM AND 500.0 HERTZ MAXIMUM SINGLE COMPONENT; Inclosure Type: OPEN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 17 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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