PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12651Transformer,power

Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems · NSN 5950-00-434-0786 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-434-0786 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-434-0786. Primary manufacturer part number: 12651.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Current: 300.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Specification/standard Data: 09344-PS76031 MANUFACTURERS SOURCE CONTROL
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.000 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-434-0786, 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 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-434-0786
Primary Part Number12651
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
StatusACTIVE
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current300.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Specification/standard Data09344-PS76031 MANUFACTURERS SOURCE CONTROL
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.000 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Body Length2.000 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Body Width0.870 INCHES MAXIMUM IN
Terminal Type and Quantity14 TURRET
Body Height1.000 INCHES MAXIMUM IN
Nominal Thread Size0.086 INCHES SINGLE GROUP IN
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current215.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Transformer Winding Connection TypeWYE-WYE
Center to Center Distance Between Mounting Facilities Parallel to Width0.700 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-124-904912651 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5975-00-249-16851265-1 INTERCHANGEABLE
Hanger,cable
Drs Signal Solutions, Inc.
6520-00-257-303012651 INTERCHANGEABLE
Point,endodontic
Kerr Corporation
4920-00-470-063712651 INTERCHANGEABLE
Sinusoidal,air Data
Elbitamerica, Inc.
5895-00-949-841612651 INTERCHANGEABLE
Control-Indicator
L3 Technologies, Inc. Div L3 Keo
6625-01-035-1515 INTERCHANGEABLE
Digital Vom
5365-01-206-561912651 INTERCHANGEABLE
Spacer,ring
Grimes Aerospace Company
2940-01-213-006812651 INTERCHANGEABLE
Suction Pipe Assembly
Westerbeke Corporation
5950-01-498-477512651 INTERCHANGEABLE
Coil,electrical
Pico Electronics Inc
Cross-Reference Index
Part NumberManufacturer
DPS-040 United Transformer Corp Sub of Opt Industries Inc (USA)
PS76031-3 Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
A3-14565 Mte Corp Milwaukee Transformer Co (USA)
12651 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
5950-00-124-9049INTERCHANGEABLE
TRANSFORMER,POWER
12651
5975-00-249-1685INTERCHANGEABLE
HANGER,CABLE
1265-1
6520-00-257-3030INTERCHANGEABLE
POINT,ENDODONTIC
12651
4920-00-470-0637INTERCHANGEABLE
SINUSOIDAL,AIR DATA
12651
5895-00-949-8416INTERCHANGEABLE
CONTROL-INDICATOR
12651
6625-01-035-1515INTERCHANGEABLE
DIGITAL VOM
5365-01-206-5619INTERCHANGEABLE
SPACER,RING
12651
2940-01-213-0068INTERCHANGEABLE
SUCTION PIPE ASSEMBLY
12651
5950-01-498-4775INTERCHANGEABLE
COIL,ELECTRICAL
12651

Frequently Asked Questions

What is NSN 5950-00-434-0786?

NSN 5950-00-434-0786 is a Transformer,power, manufactured by Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-434-0786?

NSN 5950-00-434-0786 has 4 cross-referenced part numbers: DPS-040 (United Transformer Corp Sub of Opt Industries Inc), PS76031-3 (Rockwell Collins, Inc. Dba Rc Displays Systems), A3-14565 (Mte Corp Milwaukee Transformer Co), 12651 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-434-0786?

There are 9 known substitutes for 5950-00-434-0786: 5950-00-124-9049, 5975-00-249-1685, 6520-00-257-3030 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12651?

Key specifications for 12651: Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Winding Operating Current: 300.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY; Mounting Facility Quantity: 4 SINGLE GROUP; Specification/standard Data: 09344-PS76031 MANUFACTURERS SOURCE CONTROL. 22 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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