PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1221563Transformer,radio Frequency

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-603-3286 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-603-3286 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-603-3286. Primary manufacturer part number: 1221563.
Features
  • Transformer,radio Frequency — FSC 5950
  • Body Outside Diameter: 0.219 INCHES NOMINAL IN
  • Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
  • Adjustment Method and Quantity: 1 ADJUSTABLE CORE SINGLE COMPONENT
  • Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
  • Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT
  • Transformer Function: INPUT
  • Mounting Method: TERMINAL SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-603-3286, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-603-3286
Primary Part Number1221563
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Body Outside Diameter0.219 INCHES NOMINAL IN
Winding Conductor Size0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Winding Conductor Size0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Transformer FunctionINPUT
Mounting MethodTERMINAL SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Turn Quantity12 SINGLE COMPONENT SINGLE PRIMARY
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating47.5 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Turn Quantity12 SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity4 WIRE LEAD
Body Length0.625 INCHES NOMINAL IN
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5450-00-347-97144035-3 INTERCHANGEABLE
Guy and Adjuster As
Pfaff and Kendall
3040-00-542-168640353 INTERCHANGEABLE
Worm Shaft
Honeywell International Inc. Div Aerospace - Torrance
5310-01-564-27893011413 INTERCHANGEABLE
Washer,flat
Rkr Technologies, Ltd. Dba Rkr Technologies Ltd Div Rocket Air Supply
Cross-Reference Index
Part NumberManufacturer
40353 Freed Transformer Co (USA)
1221563 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5450-00-347-9714INTERCHANGEABLE
GUY AND ADJUSTER AS
4035-3
3040-00-542-1686INTERCHANGEABLE
WORM SHAFT
40353
5310-01-564-2789INTERCHANGEABLE
WASHER,FLAT
3011413

Frequently Asked Questions

What is NSN 5950-00-603-3286?

NSN 5950-00-603-3286 is a Transformer,radio Frequency, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-603-3286?

NSN 5950-00-603-3286 has 2 cross-referenced part numbers: 40353 (Freed Transformer Co), 1221563 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5950-00-603-3286?

There are 3 known substitutes for 5950-00-603-3286: 5450-00-347-9714, 3040-00-542-1686, 5310-01-564-2789. Verify interchangeability with system specifications before substitution.

What are the specifications of 1221563?

Key specifications for 1221563: Body Outside Diameter: 0.219 INCHES NOMINAL IN; Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN; Adjustment Method and Quantity: 1 ADJUSTABLE CORE SINGLE COMPONENT; Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY 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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