PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-669Transformer,radio Frequency

Espey Mfg and Electronics Corp · NSN 5950-00-241-1790 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-241-1790 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-241-1790. Primary manufacturer part number: 2-669.
Features
  • Transformer,radio Frequency — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Width: 1.188 INCHES NOMINAL IN
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Coil Form Type: HOLLOW SINGLE COMPONENT
  • Frequency Rating: 75.0 MEGAHERTZ MINIMUM AND 1.75 MEGAHERTZ MAXIMUM SINGLE COMPONENT
  • Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT
  • Terminal Type and Quantity: 4 TAB, SOLDER LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-241-1790, 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 Espey Mfg and Electronics Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-241-1790
Primary Part Number2-669
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEspey Mfg and Electronics Corp
StatusCANCELLED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width1.188 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Coil Form TypeHOLLOW SINGLE COMPONENT
Frequency Rating75.0 MEGAHERTZ MINIMUM AND 1.75 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Terminal Type and Quantity4 TAB, SOLDER LUG
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Distance Between Mounting Facility Centers0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeOPEN
Body Length1.438 INCHES NOMINAL IN
Body Height1.000 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Hole Diameter0.128 INCHES NOMINAL SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-011-4649 INTERCHANGEABLE
Washer,lock
5120-00-030-27385120-00-030-2738 INTERCHANGEABLE
Wrench,drain Plug
General Services Administration Federal Supply Service
5985-00-501-64662669 INTERCHANGEABLE
Attenuator,variable
Meggitt (new Hampshire), Inc
4940-00-542-0002MX1761U INTERCHANGEABLE
Enclosure,electromagnetic Shield
Joint Electronics Type Designation System
5310-00-638-43172669 INTERCHANGEABLE
Washer,lock
Telemechanics Inc
5310-00-857-56942669 INTERCHANGEABLE
Washer,shouldered
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
3120-01-239-54162669 INTERCHANGEABLE
Roller,linear-Rotary Motion
Lebus International, Inc.
2940-01-257-159342669 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5330-01-435-7230 INTERCHANGEABLE
Seal,plain
Cross-Reference Index
Part NumberManufacturer
2-669 Espey Mfg and Electronics Corp (USA)
2R669 Espey Mfg and Electronics Corp (USA)
Related Parts
5310-00-011-4649INTERCHANGEABLE
WASHER,LOCK
5120-00-030-2738INTERCHANGEABLE
WRENCH,DRAIN PLUG
5120-00-030-2738
5985-00-501-6466INTERCHANGEABLE
ATTENUATOR,VARIABLE
2669
4940-00-542-0002INTERCHANGEABLE
ENCLOSURE,ELECTROMAGNETIC SHIELD
MX1761U
5310-00-638-4317INTERCHANGEABLE
WASHER,LOCK
2669
5310-00-857-5694INTERCHANGEABLE
WASHER,SHOULDERED
2669
3120-01-239-5416INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
2669
2940-01-257-1593INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42669
5330-01-435-7230INTERCHANGEABLE
SEAL,PLAIN

Frequently Asked Questions

What is NSN 5950-00-241-1790?

NSN 5950-00-241-1790 is a Transformer,radio Frequency, manufactured by Espey Mfg and Electronics Corp, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-241-1790?

NSN 5950-00-241-1790 has 2 cross-referenced part numbers: 2-669 (Espey Mfg and Electronics Corp), 2R669 (Espey Mfg and Electronics Corp).

What NSN replaces 5950-00-241-1790?

There are 9 known substitutes for 5950-00-241-1790: 5310-00-011-4649, 5120-00-030-2738, 5985-00-501-6466 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-669?

Key specifications for 2-669: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Width: 1.188 INCHES NOMINAL IN; Mounting Facility Quantity: 2 SINGLE GROUP; Coil Form Type: HOLLOW SINGLE COMPONENT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-241-1790 still in active supply?

NSN 5950-00-241-1790 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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