PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5420-1Transformer,power

Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems · NSN 5950-00-842-3780 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-842-3780 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-842-3780. Primary manufacturer part number: 5420-1.
Features
  • Transformer,power — FSC 5950
  • Body Height: 1.250 INCHES NOMINAL IN
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL AND 150.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Winding Operating Current: 200.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Inclosure Type: OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-842-3780, 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 17 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-842-3780
Primary Part Number5420-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
StatusACTIVE
Body Height1.250 INCHES NOMINAL IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL AND 150.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Current200.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeOPEN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length1.060 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage6.30 AC VOLTS NOMINAL AND 10.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Terminal Type and Quantity10 WIRE LEAD
Winding Operating Current300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTERMINAL SINGLE GROUP
Body Width1.240 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-093-955154201 INTERCHANGEABLE
Pin,straight,headless
Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)
5935-00-578-3692KD59-07 INTERCHANGEABLE
Connector,plug,electrical
Winchester Interconnect Corporation
5965-01-073-9081DC-3 INTERCHANGEABLE
Microphone,dynamic
Dcm Soundex Inc
6220-01-178-68435420-1 INTERCHANGEABLE
Light,navigational,aircraft
Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh
5315-01-211-1218029-10876 INTERCHANGEABLE
Key
Johnson Controls Navy Systems, Llc
6520-01-594-7429 INTERCHANGEABLE
Cup,polishing,dental Handpiece
Cross-Reference Index
Part NumberManufacturer
5420-1 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
5315-00-093-9551INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
54201
5935-00-578-3692INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
KD59-07
5965-01-073-9081INTERCHANGEABLE
MICROPHONE,DYNAMIC
DC-3
6220-01-178-6843INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
5420-1
5315-01-211-1218INTERCHANGEABLE
KEY
029-10876
6520-01-594-7429INTERCHANGEABLE
CUP,POLISHING,DENTAL HANDPIECE

Frequently Asked Questions

What is NSN 5950-00-842-3780?

NSN 5950-00-842-3780 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 5950-00-842-3780?

NSN 5950-00-842-3780 has 1 cross-referenced part number: 5420-1 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-842-3780?

There are 6 known substitutes for 5950-00-842-3780: 5315-00-093-9551, 5935-00-578-3692, 5965-01-073-9081 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5420-1?

Key specifications for 5420-1: Body Height: 1.250 INCHES NOMINAL IN; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL AND 150.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY; Winding Operating Current: 200.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY; Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY. 17 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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