PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

672-0403-00Transformer,power

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-645-4877 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-4877 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-4877. Primary manufacturer part number: 672-0403-00.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 5.312 INCHES NOMINAL IN
  • Body Height: 4.500 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.234 INCHES NOMINAL SINGLE GROUP IN
  • Winding Operating Current: 700.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Facility Quantity: 6 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 5950-00-645-4877, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-4877
Primary Part Number672-0403-00
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length5.312 INCHES NOMINAL IN
Body Height4.500 INCHES NOMINAL IN
Mounting Hole Diameter0.234 INCHES NOMINAL SINGLE GROUP IN
Winding Operating Current700.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity6 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity7 STANDOFF INSULATOR
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Width4.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width4.125 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage900.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5320-00-687-5530NAS1458-02 INTERCHANGEABLE
Pin-Rivet
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5920-00-688-4085 INTERCHANGEABLE
Fuse,cartridge
6220-00-803-353442532 INTERCHANGEABLE
Light,marker,clearance
Allianz Sweeper Company
5935-00-851-0379145-8-2 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
3110-01-179-417214582 INTERCHANGEABLE
Plate,retaining,bearing
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
4730-01-419-165814582 INTERCHANGEABLE
Strainer,sediment
Ron-Vik Inc
5998-01-423-6095145582-0104 INTERCHANGEABLE
Circuit Card Assembly
Setra Systems, Inc. Dba Gems Sensors
5340-01-497-8770 INTERCHANGEABLE
Plate,mounting
6509-01-578-788707-894-5032 INTERCHANGEABLE
Enrofloxacin Injection,veterinar
Patterson Veterinary Supply, Inc. Div Patterson Veterinary Supply
5305-01-612-617938826 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
14582 Emerson Electric Co White-Rodgers Div (USA)
672-0403-00 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
38826 Freed Transformer Co (USA)
Related Parts
5320-00-687-5530INTERCHANGEABLE
PIN-RIVET
NAS1458-02
5920-00-688-4085INTERCHANGEABLE
FUSE,CARTRIDGE
6220-00-803-3534INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
42532
5935-00-851-0379INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
145-8-2
3110-01-179-4172INTERCHANGEABLE
PLATE,RETAINING,BEARING
14582
4730-01-419-1658INTERCHANGEABLE
STRAINER,SEDIMENT
14582
5998-01-423-6095INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
145582-0104
5340-01-497-8770INTERCHANGEABLE
PLATE,MOUNTING
6509-01-578-7887INTERCHANGEABLE
ENROFLOXACIN INJECTION,VETERINAR
07-894-5032
5305-01-612-6179INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
38826

Frequently Asked Questions

What is NSN 5950-00-645-4877?

NSN 5950-00-645-4877 is a Transformer,power, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-4877?

NSN 5950-00-645-4877 has 3 cross-referenced part numbers: 14582 (Emerson Electric Co White-Rodgers Div), 672-0403-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 38826 (Freed Transformer Co).

What NSN replaces 5950-00-645-4877?

There are 10 known substitutes for 5950-00-645-4877: 5320-00-687-5530, 5920-00-688-4085, 6220-00-803-3534 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 672-0403-00?

Key specifications for 672-0403-00: Reliability Indicator: NOT ESTABLISHED; Body Length: 5.312 INCHES NOMINAL IN; Body Height: 4.500 INCHES NOMINAL IN; Mounting Hole Diameter: 0.234 INCHES NOMINAL SINGLE GROUP IN. 18 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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