PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12343Transformer,power

Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems · NSN 5950-00-409-1637 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-409-1637 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-409-1637. Primary manufacturer part number: 12343.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 10.25 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Current: 20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: FULLY INCLOSED
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Distance Between Mounting Facility Centers: 1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-409-1637, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-409-1637
Primary Part Number12343
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
StatusACTIVE
Winding Operating Voltage10.25 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Distance Between Mounting Facility Centers1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage7.07 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 12 SECONDARY SINGLE COMPONENT
Frequency Rating10.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity7 SOLDER STUD AND 21 PIN
Mounting Facility Quantity2 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-042-425085037 INTERCHANGEABLE
Bearing Set,sleeve
Perkins Engines Inc
7310-01-106-9882 INTERCHANGEABLE
Pan,steam Table
3040-01-352-074112343 INTERCHANGEABLE
Shaft,straight
DP Manufacturing Inc.
4730-01-459-1104S08873-007 INTERCHANGEABLE
Plug,pipe
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
12343 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
3120-00-042-4250INTERCHANGEABLE
BEARING SET,SLEEVE
85037
7310-01-106-9882INTERCHANGEABLE
PAN,STEAM TABLE
3040-01-352-0741INTERCHANGEABLE
SHAFT,STRAIGHT
12343
4730-01-459-1104INTERCHANGEABLE
PLUG,PIPE
S08873-007

Frequently Asked Questions

What is NSN 5950-00-409-1637?

NSN 5950-00-409-1637 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 5950-00-409-1637?

NSN 5950-00-409-1637 has 1 cross-referenced part number: 12343 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-409-1637?

There are 4 known substitutes for 5950-00-409-1637: 3120-00-042-4250, 7310-01-106-9882, 3040-01-352-0741 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12343?

Key specifications for 12343: Winding Operating Voltage: 10.25 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Winding Operating Current: 20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Overall Length: 2.781 INCHES NOMINAL IN. 16 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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