PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

326800Transformer,power Autotransforme

Lockheed Martin Librascope Corporation · NSN 5950-00-805-8389 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-805-8389 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-805-8389. Primary manufacturer part number: 326800.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 26.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Winding Operating Voltage: 0.00 AC VOLTS MINIMUM AND 8.00 AC VOLTS NOMINAL AND 28.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 5 WIRE LEAD
  • Body Outside Diameter: 1.812 INCHES NOMINAL 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 5950-00-805-8389, 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 Lockheed Martin Librascope Corporation. Government technical data includes 15 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-805-8389
Primary Part Number326800
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Librascope Corporation
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage26.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Operating Voltage0.00 AC VOLTS MINIMUM AND 8.00 AC VOLTS NOMINAL AND 28.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity5 WIRE LEAD
Body Outside Diameter1.812 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
Mounting MethodTHREADED BUSHING SINGLE GROUP
Winding Operating Current3.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Thread Quantity Per Inch32 SINGLE GROUP
Body Length4.375 INCHES NOMINAL IN
Thread Series DesignatorUNEF SINGLE GROUP
Nominal Thread Size0.375 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-063707204 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
5999-00-247-7527SC-B-69870 INTERCHANGEABLE
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5360-00-300-765440516 INTERCHANGEABLE
Spring,helical,compression
Bae Systems Land & Armaments L.p.
3110-00-869-3671748-743X INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-00-891-51015520186 INTERCHANGEABLE
Bearing,ball,thrust
Skf Usa Inc.
3110-01-056-1575 INTERCHANGEABLE
Bearing,ball,thrust
2590-01-251-501451107 INTERCHANGEABLE
Winch,drum,vehicle Mounting
DP Manufacturing Inc.
2920-01-484-0793326800 INTERCHANGEABLE
Spark Plug
Kohler Co.
5360-01-665-302551107 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-01-726-043951107 INTERCHANGEABLE
Seal Ring,metal
General Electrodynamics Corporation Dba Nsd Scale
Cross-Reference Index
Part NumberManufacturer
326800 PRIMARY Lockheed Martin Librascope Corporation (USA)
5-1107 Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
Related Parts
3110-00-100-0637INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
07204
5999-00-247-7527INTERCHANGEABLE
CONTACT,ELECTRICAL
SC-B-69870
5360-00-300-7654INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40516
3110-00-869-3671INTERCHANGEABLE
BEARING,ROLLER,TAPERED
748-743X
3110-00-891-5101INTERCHANGEABLE
BEARING,BALL,THRUST
5520186
3110-01-056-1575INTERCHANGEABLE
BEARING,BALL,THRUST
2590-01-251-5014INTERCHANGEABLE
WINCH,DRUM,VEHICLE MOUNTING
51107
2920-01-484-0793INTERCHANGEABLE
SPARK PLUG
326800
5360-01-665-3025INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
51107
5330-01-726-0439INTERCHANGEABLE
SEAL RING,METAL
51107

Frequently Asked Questions

What is NSN 5950-00-805-8389?

NSN 5950-00-805-8389 is a Transformer,power Autotransforme, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-805-8389?

NSN 5950-00-805-8389 has 2 cross-referenced part numbers: 326800 (Lockheed Martin Librascope Corporation), 5-1107 (Superior Electric Holding Group Llc Div Specialty Product Technologies).

What NSN replaces 5950-00-805-8389?

There are 10 known substitutes for 5950-00-805-8389: 3110-00-100-0637, 5999-00-247-7527, 5360-00-300-7654 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 326800?

Key specifications for 326800: Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 26.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT; Winding Operating Voltage: 0.00 AC VOLTS MINIMUM AND 8.00 AC VOLTS NOMINAL AND 28.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. 15 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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