PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T109Transformer,power

North Atlantic Industries, Inc. Dba North Atlantic Industries · NSN 5950-00-988-4273 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-988-4273 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-988-4273. Primary manufacturer part number: T109.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Body Height: 1.680 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-988-4273, 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 North Atlantic Industries, Inc. Dba North Atlantic Industries. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-988-4273
Primary Part NumberT109
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorth Atlantic Industries, Inc. Dba North Atlantic Industries
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height1.680 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Maximum Operating Temp105.0 CELSIUS DEGC
Winding Operating Voltage300.00 DC VOLTS MAXIMUM SINGLE COMPONENT SECOND PRIMARY
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length1.280 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type and Quantity4 WIRE LEAD
Inclosure TypeFULLY INCLOSED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND PRIMARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width1.280 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5306-00-215-3957 INTERCHANGEABLE
Bolt,machine
4710-00-277-6104WWT700/6-T6-II-1.750X1.250X0.065 INTERCHANGEABLE
Tube,metallic
Sae International Dba Sae International
5865-00-475-3527T109 INTERCHANGEABLE
Reset Generator
Transico, Inc. Dba Eeco Switch
5136-00-580-718454738 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
3439-00-930-80232593-1919A INTERCHANGEABLE
Heat Sink,soldering Aid
Automated Production Equipment Corp.
5950-00-993-6020 INTERCHANGEABLE
Transformer,power
1055-01-106-2501T10-9 INTERCHANGEABLE
Coupling
Roller Bearing Co of America, Inc Div Pic Design
5315-01-459-8569T109 INTERCHANGEABLE
Pin,spring
Unertl John Optical Co Inc
Cross-Reference Index
Part NumberManufacturer
A15147-001 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
T109 PRIMARY North Atlantic Industries, Inc. Dba North Atlantic Industries (USA)
T109 Nai Technologies Inc (USA)
Related Parts
5306-00-215-3957INTERCHANGEABLE
BOLT,MACHINE
4710-00-277-6104INTERCHANGEABLE
TUBE,METALLIC
WWT700/6-T6-II-1.750X1.250X0.065
5865-00-475-3527INTERCHANGEABLE
RESET GENERATOR
T109
5136-00-580-7184INTERCHANGEABLE
TAP,THREAD CUTTING
54738
3439-00-930-8023INTERCHANGEABLE
HEAT SINK,SOLDERING AID
2593-1919A
5950-00-993-6020INTERCHANGEABLE
TRANSFORMER,POWER
1055-01-106-2501INTERCHANGEABLE
COUPLING
T10-9
5315-01-459-8569INTERCHANGEABLE
PIN,SPRING
T109

Frequently Asked Questions

What is NSN 5950-00-988-4273?

NSN 5950-00-988-4273 is a Transformer,power, manufactured by North Atlantic Industries, Inc. Dba North Atlantic Industries, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-988-4273?

NSN 5950-00-988-4273 has 3 cross-referenced part numbers: A15147-001 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), T109 (North Atlantic Industries, Inc. Dba North Atlantic Industries), T109 (Nai Technologies Inc).

What NSN replaces 5950-00-988-4273?

There are 8 known substitutes for 5950-00-988-4273: 5306-00-215-3957, 4710-00-277-6104, 5865-00-475-3527 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T109?

Key specifications for T109: Overall Width: 1.250 INCHES NOMINAL IN; Overall Height: 1.250 INCHES NOMINAL IN; Overall Length: 2.025 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED. 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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