PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401218Transformer,power

Ail Systems Inc Sub of Eaton Corp · NSN 5950-00-850-6275 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-850-6275 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-850-6275. Primary manufacturer part number: 401218.
Features
  • Transformer,power — FSC 5950
  • Body Width: 3.500 INCHES MAXIMUM IN
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Body Height: 3.940 INCHES MAXIMUM IN
  • Winding Operating Current: 150.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Body Length: 4.500 INCHES MAXIMUM IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.690 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-850-6275, 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 Ail Systems Inc Sub of Eaton Corp. Government technical data includes 20 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
NSN5950-00-850-6275
Primary Part Number401218
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAil Systems Inc Sub of Eaton Corp
StatusACTIVE
Body Width3.500 INCHES MAXIMUM IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Height3.940 INCHES MAXIMUM IN
Winding Operating Current150.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Length4.500 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.690 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Voltage89.60 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Terminal Type and Quantity11 TAB, SOLDER LUG
Winding Operating Voltage208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Operating Voltage46.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current3.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Mounting Slot Width0.220 INCHES NOMINAL SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-037-9474150-51 INTERCHANGEABLE
Ammeter
Q V S Inc
5950-00-059-4381SM-C-509779-1 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5133-00-189-9296 INTERCHANGEABLE
Drill,twist
5940-00-393-091715051 INTERCHANGEABLE
Terminal,stud
Staffall, Inc. Dba Staffall Inc
3120-00-447-3939AA1505-1 INTERCHANGEABLE
Bearing,sleeve
Beemer Precision Inc
5930-00-488-702815051 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
6105-00-553-1627 INTERCHANGEABLE
Motor,alternating Current
5305-00-775-514515051 INTERCHANGEABLE
Screw,machine
Williams International Co., L.l.c.
5360-00-942-5414401218 INTERCHANGEABLE
Spring,helical,compression
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
6695-01-011-907315051 INTERCHANGEABLE
Meter Movement
Astronautics Corporation of America
Cross-Reference Index
Part NumberManufacturer
401218 Ail Systems Inc Sub of Eaton Corp (USA)
401218REVA Ail Systems Inc Sub of Eaton Corp (USA)
15051 Robert M. Hadley Company, Inc. (USA)
Related Parts
6625-00-037-9474INTERCHANGEABLE
AMMETER
150-51
5950-00-059-4381INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-C-509779-1
5133-00-189-9296INTERCHANGEABLE
DRILL,TWIST
5940-00-393-0917INTERCHANGEABLE
TERMINAL,STUD
15051
3120-00-447-3939INTERCHANGEABLE
BEARING,SLEEVE
AA1505-1
5930-00-488-7028INTERCHANGEABLE
SWITCH,PRESSURE
15051
6105-00-553-1627INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5305-00-775-5145INTERCHANGEABLE
SCREW,MACHINE
15051
5360-00-942-5414INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
401218
6695-01-011-9073INTERCHANGEABLE
METER MOVEMENT
15051
8145-01-031-3374INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER
15051
3040-01-130-5596INTERCHANGEABLE
GEARSHAFT,BEVEL
15022

Frequently Asked Questions

What is NSN 5950-00-850-6275?

NSN 5950-00-850-6275 is a Transformer,power, manufactured by Ail Systems Inc Sub of Eaton Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-850-6275?

NSN 5950-00-850-6275 has 3 cross-referenced part numbers: 401218 (Ail Systems Inc Sub of Eaton Corp), 401218REVA (Ail Systems Inc Sub of Eaton Corp), 15051 (Robert M. Hadley Company, Inc.).

What NSN replaces 5950-00-850-6275?

There are 12 known substitutes for 5950-00-850-6275: 6625-00-037-9474, 5950-00-059-4381, 5133-00-189-9296 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 401218?

Key specifications for 401218: Body Width: 3.500 INCHES MAXIMUM IN; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT; Body Height: 3.940 INCHES MAXIMUM IN; Winding Operating Current: 150.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY. 20 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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