PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2R674Transformer,radio Frequency

Espey Mfg and Electronics Corp · NSN 5950-00-647-8754 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-8754 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-8754. Primary manufacturer part number: 2R674.
Features
  • Transformer,radio Frequency — FSC 5950
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Body Outside Diameter: 0.590 INCHES NOMINAL IN
  • Distance Between Mounting Facility Centers: 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Transformer Function: OUTPUT
  • Body Length: 0.500 INCHES NOMINAL IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-647-8754, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-647-8754
Primary Part Number2R674
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEspey Mfg and Electronics Corp
StatusCANCELLED
Mounting Facility Quantity2 SINGLE GROUP
Body Outside Diameter0.590 INCHES NOMINAL IN
Distance Between Mounting Facility Centers0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Transformer FunctionOUTPUT
Body Length0.500 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Terminal Type and Quantity4 WIRE LEAD
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Frequency Rating455.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-100-056127820 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
4920-00-109-09832674 INTERCHANGEABLE
Adapter Test Box,se
Mission Systems Davenport Inc.
5935-00-295-6270SI-8198 INTERCHANGEABLE
Connector,receptacle,electrical
Shiloh Industries Inc
5999-00-814-5446 INTERCHANGEABLE
Cap,electrical
5315-00-865-5842579R809H12 INTERCHANGEABLE
Pin,spring
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5310-00-902-3402 INTERCHANGEABLE
Washer,flat
5910-00-914-995645838 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
L3harris Technologies, Inc. Div Space and Airborne Systems
5935-01-214-12812674 INTERCHANGEABLE
Connector,receptacle,electrical
Thomas and Betts Ltd
6515-01-219-86092674 INTERCHANGEABLE
Cuff,sphygmomanometer
Critikon Inc Sub of Johnson and Johnson
6515-01-252-545538-2674-1 INTERCHANGEABLE
Catheter and Needle Unit,intrave
Becton Dickinson and Co Acutecare Div
Cross-Reference Index
Part NumberManufacturer
2R674 Espey Mfg and Electronics Corp (USA)
F90212 Eaton Corp Electronic Instrumentation Div Los Angeles Plant (USA)
2-674 Espey Mfg and Electronics Corp (USA)
F90212-1 Eaton Corp Electronic Instrumentation Div Los Angeles Plant (USA)
Related Parts
3110-00-100-0561INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
27820
4920-00-109-0983INTERCHANGEABLE
ADAPTER TEST BOX,SE
2674
5935-00-295-6270INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SI-8198
5999-00-814-5446INTERCHANGEABLE
CAP,ELECTRICAL
5315-00-865-5842INTERCHANGEABLE
PIN,SPRING
579R809H12
5310-00-902-3402INTERCHANGEABLE
WASHER,FLAT
5910-00-914-9956INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
45838
5935-01-214-1281INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2674
6515-01-219-8609INTERCHANGEABLE
CUFF,SPHYGMOMANOMETER
2674
6515-01-252-5455INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
38-2674-1
5955-01-410-9780INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
C235A526-12

Frequently Asked Questions

What is NSN 5950-00-647-8754?

NSN 5950-00-647-8754 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 5950-00-647-8754?

NSN 5950-00-647-8754 has 4 cross-referenced part numbers: 2R674 (Espey Mfg and Electronics Corp), F90212 (Eaton Corp Electronic Instrumentation Div Los Angeles Plant), 2-674 (Espey Mfg and Electronics Corp), F90212-1 (Eaton Corp Electronic Instrumentation Div Los Angeles Plant).

What NSN replaces 5950-00-647-8754?

There are 11 known substitutes for 5950-00-647-8754: 3110-00-100-0561, 4920-00-109-0983, 5935-00-295-6270 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2R674?

Key specifications for 2R674: Mounting Facility Quantity: 2 SINGLE GROUP; Body Outside Diameter: 0.590 INCHES NOMINAL IN; Distance Between Mounting Facility Centers: 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Transformer Function: OUTPUT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-647-8754 still in active supply?

NSN 5950-00-647-8754 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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