PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

546737Transformer,power

Cae Usa Inc. · NSN 5950-00-998-4258 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-998-4258 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-998-4258. Primary manufacturer part number: 546737.
Features
  • Transformer,power — FSC 5950
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Frequency Rating: 47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Body Height: 4.938 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Winding Operating Voltage: 31.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Operating Voltage: 111.00 AC VOLTS NOMINAL AND 117.00 AC VOLTS NOMINAL AND 123.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-998-4258, 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 Cae Usa Inc.. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN5950-00-998-4258
Primary Part Number546737
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCae Usa Inc.
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Frequency Rating47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Body Height4.938 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage31.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage111.00 AC VOLTS NOMINAL AND 117.00 AC VOLTS NOMINAL AND 123.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Current3.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length3.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity7 SOLDER STUD
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Body Width3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-176218-3-10 INTERCHANGEABLE
Disk,valve
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5950-00-086-8840 INTERCHANGEABLE
Coil,radio Frequency
4030-00-125-275110140 INTERCHANGEABLE
Socket,wire Rope
Garwood/feller Inc Garwood Winch Div
5950-00-135-074718310 INTERCHANGEABLE
Transformer,power
Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems
6520-00-257-303612658 INTERCHANGEABLE
Point,endodontic
Kerr Corporation
5950-00-302-3986ST5M1236-001 INTERCHANGEABLE
Transformer,power Autotransforme
The Boeing Company Div Defense
1650-00-321-209118310 INTERCHANGEABLE
Disk,valve
Parker-Hannifin Corporation Dba Control Systems Division
5360-00-510-927263703 INTERCHANGEABLE
Spring,helical,compression
Raytheon Company Dba Raytheon
3040-00-807-8347 INTERCHANGEABLE
Pawl
5133-00-838-5245 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
546737 PRIMARY Cae Usa Inc. (USA)
546737 Raytheon Technical Services Company (USA)
6-3703 Hewlett-Packard Company Dba HP (USA)
B2040 B G Laboratories Inc. (USA)
C9947 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
18310 Dyco Electronics Inc (USA)
12658 Stanford Applied Engineering Inc (USA)
Related Parts
4820-00-036-1762INTERCHANGEABLE
DISK,VALVE
18-3-10
5950-00-086-8840INTERCHANGEABLE
COIL,RADIO FREQUENCY
4030-00-125-2751INTERCHANGEABLE
SOCKET,WIRE ROPE
10140
5950-00-135-0747INTERCHANGEABLE
TRANSFORMER,POWER
18310
6520-00-257-3036INTERCHANGEABLE
POINT,ENDODONTIC
12658
5950-00-302-3986INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
ST5M1236-001
1650-00-321-2091INTERCHANGEABLE
DISK,VALVE
18310
5360-00-510-9272INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
63703
3040-00-807-8347INTERCHANGEABLE
PAWL
5133-00-838-5245INTERCHANGEABLE
DRILL,TWIST
5365-00-858-8554INTERCHANGEABLE
SPACER,RING
546737
5330-00-909-1893INTERCHANGEABLE
GASKET
3681P028

Frequently Asked Questions

What is NSN 5950-00-998-4258?

NSN 5950-00-998-4258 is a Transformer,power, manufactured by Cae Usa Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-998-4258?

NSN 5950-00-998-4258 has 7 cross-referenced part numbers: 546737 (Cae Usa Inc.), 546737 (Raytheon Technical Services Company), 6-3703 (Hewlett-Packard Company Dba HP), B2040 (B G Laboratories Inc.), C9947 (Electronic Transformer Corp Div Electronic Transformer Corporation) and 2 more.

What NSN replaces 5950-00-998-4258?

There are 12 known substitutes for 5950-00-998-4258: 4820-00-036-1762, 5950-00-086-8840, 4030-00-125-2751 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 546737?

Key specifications for 546737: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Frequency Rating: 47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT; Thread Quantity Per Inch: 32 SINGLE GROUP; Body Height: 4.938 INCHES NOMINAL IN. 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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