PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1221523Transformer,radio Frequency

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-603-2877 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-603-2877 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-603-2877. Primary manufacturer part number: 1221523.
Features
  • Transformer,radio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Outside Diameter: 0.210 INCHES NOMINAL IN
  • Mounting Method: TERMINAL SINGLE GROUP
  • Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT
  • Body Length: 0.625 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-603-2877, 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 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-603-2877
Primary Part Number1221523
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity4 WIRE LEAD
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Outside Diameter0.210 INCHES NOMINAL IN
Mounting MethodTERMINAL SINGLE GROUP
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Body Length0.625 INCHES NOMINAL IN
Frequency Rating40.5 MEGAHERTZ MINIMUM AND 45.5 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeOPEN
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8010-00-165-8628 INTERCHANGEABLE
Stain
3455-00-190-8392 INTERCHANGEABLE
Cutter Bit,tool Holder
2920-00-229-65122244 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
4730-00-973-87502244 INTERCHANGEABLE
Union,pipe
Flowserve Inc
5815-00-989-0328 INTERCHANGEABLE
Arm,line Feed Shift
2940-01-012-1649AF-381 INTERCHANGEABLE
Filter Element,intake Air Cleane
Deluxe Products Div Walker Mfg Co
4730-01-058-9758224-4 INTERCHANGEABLE
Tee,hose
Parker-Hannifin Corp Div Fluid System Connector Division
5331-01-131-29662-244E515-80 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
3040-01-137-2623030.402.0004 INTERCHANGEABLE
Lever,manual Control
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6520-01-144-15172244RED INTERCHANGEABLE
Resin,acrylic,dental
Reliance Dental Mfg Co
Cross-Reference Index
Part NumberManufacturer
1221523 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2244 Precision Electronics, Inc (USA)
Related Parts
8010-00-165-8628INTERCHANGEABLE
STAIN
3455-00-190-8392INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
2920-00-229-6512INTERCHANGEABLE
SPARK PLUG
2244
4730-00-973-8750INTERCHANGEABLE
UNION,PIPE
2244
5815-00-989-0328INTERCHANGEABLE
ARM,LINE FEED SHIFT
2940-01-012-1649INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
AF-381
4730-01-058-9758INTERCHANGEABLE
TEE,HOSE
224-4
5331-01-131-2966INTERCHANGEABLE
O-RING
2-244E515-80
3040-01-137-2623INTERCHANGEABLE
LEVER,MANUAL CONTROL
030.402.0004
6520-01-144-1517INTERCHANGEABLE
RESIN,ACRYLIC,DENTAL
2244RED
5310-01-157-3774INTERCHANGEABLE
NUT,PLAIN,INTERNAL WRENCHING
10513126
5962-01-243-8691INTERCHANGEABLE
MICROCIRCUIT,MEMORY
51022-0044

Frequently Asked Questions

What is NSN 5950-00-603-2877?

NSN 5950-00-603-2877 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 5950-00-603-2877?

NSN 5950-00-603-2877 has 2 cross-referenced part numbers: 1221523 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2244 (Precision Electronics, Inc).

What NSN replaces 5950-00-603-2877?

There are 12 known substitutes for 5950-00-603-2877: 8010-00-165-8628, 3455-00-190-8392, 2920-00-229-6512 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1221523?

Key specifications for 1221523: Reliability Indicator: NOT ESTABLISHED; Terminal Type and Quantity: 4 WIRE LEAD; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Outside Diameter: 0.210 INCHES NOMINAL IN. 10 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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