PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6549Transformer,power Autotransforme

Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems · NSN 5950-00-583-0909 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-583-0909 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-583-0909. Primary manufacturer part number: 6549.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.430 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Power Rating: 50.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Body Height: 2.900 INCHES MAXIMUM IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Body Width: 2.680 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-583-0909, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-00-583-0909
Primary Part Number6549
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width1.430 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Power Rating50.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
Body Height2.900 INCHES MAXIMUM IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Width2.680 INCHES MAXIMUM IN
Winding Operating Voltage118.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage28.00 AC VOLTS NOMINAL AND 114.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Length3.370 INCHES MAXIMUM IN
Terminal Type and Quantity4 STANDOFF, THREADED STUD
Reliability IndicatorNOT ESTABLISHED
Mounting Hole Diameter0.223 INCHES NOMINAL SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Operating Current423.7 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-137-4419 INTERCHANGEABLE
Transformer,radio Frequency
5365-00-629-72737762603 INTERCHANGEABLE
Bushing,nonmetallic
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-645-0006 INTERCHANGEABLE
Transformer,power
4920-00-874-61146549 INTERCHANGEABLE
Leadscrew
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5905-00-989-9605 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5999-01-045-817885-22000-10000A INTERCHANGEABLE
Contact,electrical
Hoyt Corporation
5915-01-217-34128559957-1 INTERCHANGEABLE
Filter,band Pass
L3 Technologies, Inc. Div Communication Systems-East
2590-01-478-3787132115-1 INTERCHANGEABLE
Filler Neck,vehicular Components
Alliance Laser Inc
6515-01-562-6053PA310 INTERCHANGEABLE
Brush,cleaning,bur
Medtronic Powered Surgical Solutions Dba Medtronic Mitas Rex
Cross-Reference Index
Part NumberManufacturer
PEI 11237 Precision Electronics, Inc (USA)
6549 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
5950-00-137-4419INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5365-00-629-7273INTERCHANGEABLE
BUSHING,NONMETALLIC
7762603
5950-00-645-0006INTERCHANGEABLE
TRANSFORMER,POWER
4920-00-874-6114INTERCHANGEABLE
LEADSCREW
6549
5905-00-989-9605INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5999-01-045-8178INTERCHANGEABLE
CONTACT,ELECTRICAL
85-22000-10000A
5915-01-217-3412INTERCHANGEABLE
FILTER,BAND PASS
8559957-1
2590-01-478-3787INTERCHANGEABLE
FILLER NECK,VEHICULAR COMPONENTS
132115-1
6515-01-562-6053INTERCHANGEABLE
BRUSH,CLEANING,BUR
PA310

Frequently Asked Questions

What is NSN 5950-00-583-0909?

NSN 5950-00-583-0909 is a Transformer,power Autotransforme, 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 5950-00-583-0909?

NSN 5950-00-583-0909 has 2 cross-referenced part numbers: PEI 11237 (Precision Electronics, Inc), 6549 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-583-0909?

There are 9 known substitutes for 5950-00-583-0909: 5950-00-137-4419, 5365-00-629-7273, 5950-00-645-0006 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6549?

Key specifications for 6549: Center to Center Distance Between Mounting Facilities Parallel to Width: 1.430 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Facility Quantity: 4 SINGLE GROUP; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Power Rating: 50.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT. 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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