PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1903TTransformer,power

Gar Enterprises Dba Kgs Electronics · NSN 5950-01-221-3808 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-221-3808 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-221-3808. Primary manufacturer part number: 1903T.
Features
  • Transformer,power — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Operating Current: 1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.810 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.280 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-221-3808, 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 Gar Enterprises Dba Kgs Electronics. Government technical data includes 14 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
NSN5950-01-221-3808
Primary Part Number1903T
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGar Enterprises Dba Kgs Electronics
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length1.810 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.280 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Hole Diameter0.153 INCHES MINIMUM AND 0.159 INCHES MAXIMUM SINGLE GROUP IN
Terminal Type and Quantity4 TURRET
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5905-00-009-12804360 INTERCHANGEABLE
Resistor,variable,wire Wound,non
General Microwave Corporation Div Kratos Microwave Electronics
2530-00-170-1899000-605-1044 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Tvh Parts Co.
5315-00-234-16570900806-1 INTERCHANGEABLE
Pin,cotter
Agco Corp Parts Opn
7830-00-242-4340SRFM2001 INTERCHANGEABLE
Mat,gymnasium
Resilite Sports Products Inc
4320-00-372-0074 INTERCHANGEABLE
Pump Unit,centrifugal
6625-00-648-8498 INTERCHANGEABLE
Shunt,instrument
5950-00-975-09964360 INTERCHANGEABLE
Transformer,power
Power Paragon Inc Dba Air Borne Power Div Airborne Power
4730-01-190-3009 INTERCHANGEABLE
Bushing,pipe
Cross-Reference Index
Part NumberManufacturer
1903T PRIMARY Gar Enterprises Dba Kgs Electronics (USA)
4360 PRIMARY Elnetic Electronics Inc (USA)
042-315-2500-01 Hydro-Aire Aerospace Corp (USA)
Related Parts
5905-00-009-1280INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
4360
2530-00-170-1899INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
000-605-1044
5315-00-234-1657INTERCHANGEABLE
PIN,COTTER
0900806-1
7830-00-242-4340INTERCHANGEABLE
MAT,GYMNASIUM
SRFM2001
4320-00-372-0074INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
6625-00-648-8498INTERCHANGEABLE
SHUNT,INSTRUMENT
5950-00-975-0996INTERCHANGEABLE
TRANSFORMER,POWER
4360
4730-01-190-3009INTERCHANGEABLE
BUSHING,PIPE

Frequently Asked Questions

What is NSN 5950-01-221-3808?

NSN 5950-01-221-3808 is a Transformer,power, manufactured by Gar Enterprises Dba Kgs Electronics, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-221-3808?

NSN 5950-01-221-3808 has 3 cross-referenced part numbers: 1903T (Gar Enterprises Dba Kgs Electronics), 4360 (Elnetic Electronics Inc), 042-315-2500-01 (Hydro-Aire Aerospace Corp).

What NSN replaces 5950-01-221-3808?

There are 8 known substitutes for 5950-01-221-3808: 5905-00-009-1280, 2530-00-170-1899, 5315-00-234-1657 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1903T?

Key specifications for 1903T: Mounting Facility Quantity: 4 SINGLE GROUP; Winding Operating Current: 1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.810 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 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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