PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43303Transformer,power

Electro Scientific Industries Inc · NSN 5950-01-310-9369 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-310-9369 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-310-9369. Primary manufacturer part number: 43303.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Type and Quantity: 8 PIN
  • Winding Function and Quantity: 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 10.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: PLUG-IN SINGLE GROUP
  • Maximum Transformer Power Rating: 6.0 VOLT-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 5950-01-310-9369, 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 Electro Scientific Industries Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-310-9369
Primary Part Number43303
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectro Scientific Industries Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity8 PIN
Winding Function and Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodPLUG-IN SINGLE GROUP
Maximum Transformer Power Rating6.0 VOLT-AMPERE SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeOPEN
Winding Operating Current0.6 AMPERES AC NOMINAL SINGLE COMPONENT ALL SECONDARY
Maximum Operating Temp130.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-144-87891B4114 INTERCHANGEABLE
Bearing,ball,annular
Caterpillar Inc Div Caterpillar Defense
4730-00-488-617043303 INTERCHANGEABLE
Clamp-Stainless Ste
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5950-00-594-0312139C581H01 INTERCHANGEABLE
Transformer,power
Northrop Grumman Support Services Corp
2990-00-845-75872227906 INTERCHANGEABLE
Pipe,exhaust
Chrysler Realty Company Llc Dba Daimler Chrysler
6680-01-147-260343303 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
3230-01-344-940943303 INTERCHANGEABLE
Bit,router
Porter Cable/delta
5310-01-373-147343303 INTERCHANGEABLE
Nut,self-Locking,hexagon
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5950-01-461-448643303 INTERCHANGEABLE
Transformer,power
Pico Electronics Inc
Cross-Reference Index
Part NumberManufacturer
43303 Electro Scientific Industries Inc (USA)
DST 4-20 Signal Transformer Co Inc (USA)
Related Parts
3110-00-144-8789INTERCHANGEABLE
BEARING,BALL,ANNULAR
1B4114
4730-00-488-6170INTERCHANGEABLE
CLAMP-STAINLESS STE
43303
5950-00-594-0312INTERCHANGEABLE
TRANSFORMER,POWER
139C581H01
2990-00-845-7587INTERCHANGEABLE
PIPE,EXHAUST
2227906
6680-01-147-2603INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
43303
3230-01-344-9409INTERCHANGEABLE
BIT,ROUTER
43303
5310-01-373-1473INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
43303
5950-01-461-4486INTERCHANGEABLE
TRANSFORMER,POWER
43303

Frequently Asked Questions

What is NSN 5950-01-310-9369?

NSN 5950-01-310-9369 is a Transformer,power, manufactured by Electro Scientific Industries Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-310-9369?

NSN 5950-01-310-9369 has 2 cross-referenced part numbers: 43303 (Electro Scientific Industries Inc), DST 4-20 (Signal Transformer Co Inc).

What NSN replaces 5950-01-310-9369?

There are 8 known substitutes for 5950-01-310-9369: 3110-00-144-8789, 4730-00-488-6170, 5950-00-594-0312 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43303?

Key specifications for 43303: Reliability Indicator: NOT ESTABLISHED; Overall Width: 1.312 INCHES NOMINAL IN; Terminal Type and Quantity: 8 PIN; Winding Function and Quantity: 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT. 16 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