PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS6423Transformer,power

Coil Specialty Company, Inc. · NSN 5950-00-385-8906 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-385-8906 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-385-8906. Primary manufacturer part number: CS6423.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 48.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Winding Operating Voltage: 15.00 AC VOLTS MINIMUM AND 30.00 AC VOLTS MAXIMUM SINGLE COMPONENT THIRD SECONDARY
  • Body Length: 5.880 INCHES MINIMUM AND 6.000 INCHES MAXIMUM IN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 9.70 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
  • Mounting Method: THREADED HOLE(S) ALL GROUPINGS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-385-8906, 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 Coil Specialty Company, Inc.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-385-8906
Primary Part NumberCS6423
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCoil Specialty Company, Inc.
StatusACTIVE
Winding Operating Voltage48.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage15.00 AC VOLTS MINIMUM AND 30.00 AC VOLTS MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Body Length5.880 INCHES MINIMUM AND 6.000 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage9.70 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Mounting MethodTHREADED HOLE(S) ALL GROUPINGS
Nominal Thread Size0.250 INCHES ALL GROUPINGS IN
Winding Operating Voltage16.80 AC VOLTS MINIMUM AND 33.60 AC VOLTS MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current0.6 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Terminal Type and Quantity20 THREADED STUD
Frequency Rating47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Width4.880 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length5.000 INCHES NOMINAL SINGLE MOUNTING FACILITY ALL CENTER GROUPINGS IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Height4.880 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN
Thread Series DesignatorUNF ALL GROUPINGS
Winding Operating Current4.0 AMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Winding Function and Quantity1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT
Winding Operating Current3.0 AMPERES DC MINIMUM AND 8.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY ALL CENTER GROUPINGS IN
Winding Operating Voltage100.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current2.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity8 ALL GROUPINGS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-476-087915453 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5330-00-678-710649336 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5998-01-360-65839999-43690 INTERCHANGEABLE
Circuit Card Assembly
W. & O. Supply, Inc. Dba Emi Div Emi
1680-01-384-6612436-90 INTERCHANGEABLE
Cap Assy,oil,specia
Parker Hannifin Corp Dba Pneutronics
5365-01-391-298649336 INTERCHANGEABLE
Ring,externally Threaded
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5999-01-416-216649336 INTERCHANGEABLE
Pcb,processor,x-Ray
Air Techniques, Inc.
4730-01-507-671749-336 INTERCHANGEABLE
Plug,overinflation
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
CS6423 Coil Specialty Company, Inc. (USA)
213955-1 Saga Engineering Corp (USA)
213955-1 Astec America Inc. (USA)
49336 Astec America Inc. (USA)
43690 Freed Transformer Co (USA)
213955-1 Data Products Corp (USA)
BC6666 Berkshire Transformer (USA)
BX-9365 Baltimore Transformer Co (USA)
213955-1 Transformer Engineers Co a Div of Standard Industries Inc (USA)
Related Parts
3455-00-476-0879INTERCHANGEABLE
CUTTER,MILLING,END
15453
5330-00-678-7106INTERCHANGEABLE
SEAL,PLAIN ENCASED
49336
5998-01-360-6583INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
9999-43690
1680-01-384-6612INTERCHANGEABLE
CAP ASSY,OIL,SPECIA
436-90
5365-01-391-2986INTERCHANGEABLE
RING,EXTERNALLY THREADED
49336
5999-01-416-2166INTERCHANGEABLE
PCB,PROCESSOR,X-RAY
49336
4730-01-507-6717INTERCHANGEABLE
PLUG,OVERINFLATION
49-336

Frequently Asked Questions

What is NSN 5950-00-385-8906?

NSN 5950-00-385-8906 is a Transformer,power, manufactured by Coil Specialty Company, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-385-8906?

NSN 5950-00-385-8906 has 9 cross-referenced part numbers: CS6423 (Coil Specialty Company, Inc.), 213955-1 (Saga Engineering Corp), 213955-1 (Astec America Inc.), 49336 (Astec America Inc.), 43690 (Freed Transformer Co) and 4 more.

What NSN replaces 5950-00-385-8906?

There are 7 known substitutes for 5950-00-385-8906: 3455-00-476-0879, 5330-00-678-7106, 5998-01-360-6583 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS6423?

Key specifications for CS6423: Winding Operating Voltage: 48.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Inclosure Type: FULLY INCLOSED; Winding Operating Voltage: 15.00 AC VOLTS MINIMUM AND 30.00 AC VOLTS MAXIMUM SINGLE COMPONENT THIRD SECONDARY; Body Length: 5.880 INCHES MINIMUM AND 6.000 INCHES MAXIMUM IN. 26 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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