PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3856Transformer,power

Carlisle & Finch Co · NSN 5950-01-303-4767 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-303-4767 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-303-4767. Primary manufacturer part number: 3856.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: FULLY INCLOSED
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Winding Operating Current: 10.86 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 60.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM 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 5950-01-303-4767, 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 Carlisle & Finch Co. Government technical data includes 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-303-4767
Primary Part Number3856
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCarlisle & Finch Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity1 SINGLE GROUP
Winding Operating Current10.86 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating60.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Outside Diameter4.687 INCHES MINIMUM AND 4.812 INCHES MAXIMUM IN
Winding Operating Voltage23.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Maximum Transformer Power Rating0.3 KILOVOLT-AMPERE SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity4 THREADED STUD
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN
Mounting Hole Diameter0.390 INCHES MINIMUM AND 0.438 INCHES MAXIMUM SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-288-64503856 INTERCHANGEABLE
Gear,spur
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
6515-00-307-55963856 INTERCHANGEABLE
Stockings,anti-Embolism
Covidien Sales Llc Dba Covidien Sales
4510-00-318-82083856 INTERCHANGEABLE
Handle,water Tank
The Central Brass Manufacturing Company
4820-00-412-2356 INTERCHANGEABLE
Valve,check
5935-00-450-46473926 INTERCHANGEABLE
Connector,receptacle,electrical
Bryant Electric
2930-00-560-1952 INTERCHANGEABLE
Radiator Engine Coo
5220-00-588-59923856 INTERCHANGEABLE
Gage,turbine Rotor
Rolls-Royce Corporation
2945-00-595-29210S12223 INTERCHANGEABLE
Filter,fluid
Falls Filtration Technologies, Inc.
5950-00-645-776555C205 INTERCHANGEABLE
Transformer,audio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5998-00-827-2028 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
3856 PRIMARY Carlisle & Finch Co (USA)
3174 PIECE 47 Carlisle & Finch Co (USA)
PEI 8105 Precision Electronics, Inc (USA)
Related Parts
3020-00-288-6450INTERCHANGEABLE
GEAR,SPUR
3856
6515-00-307-5596INTERCHANGEABLE
STOCKINGS,ANTI-EMBOLISM
3856
4510-00-318-8208INTERCHANGEABLE
HANDLE,WATER TANK
3856
4820-00-412-2356INTERCHANGEABLE
VALVE,CHECK
5935-00-450-4647INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3926
2930-00-560-1952INTERCHANGEABLE
RADIATOR ENGINE COO
5220-00-588-5992INTERCHANGEABLE
GAGE,TURBINE ROTOR
3856
2945-00-595-2921INTERCHANGEABLE
FILTER,FLUID
0S12223
5950-00-645-7765INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
55C205
5998-00-827-2028INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5340-01-056-9349INTERCHANGEABLE
CLAMP,LOOP
385-6
6635-01-311-8857INTERCHANGEABLE
TRANSDUCER,SUPERSONIC TEST
3856

Frequently Asked Questions

What is NSN 5950-01-303-4767?

NSN 5950-01-303-4767 is a Transformer,power, manufactured by Carlisle & Finch Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-303-4767?

NSN 5950-01-303-4767 has 3 cross-referenced part numbers: 3856 (Carlisle & Finch Co), 3174 PIECE 47 (Carlisle & Finch Co), PEI 8105 (Precision Electronics, Inc).

What NSN replaces 5950-01-303-4767?

There are 12 known substitutes for 5950-01-303-4767: 3020-00-288-6450, 6515-00-307-5596, 4510-00-318-8208 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3856?

Key specifications for 3856: Reliability Indicator: NOT ESTABLISHED; Inclosure Type: FULLY INCLOSED; Mounting Facility Quantity: 1 SINGLE GROUP; Winding Operating Current: 10.86 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 15 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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