PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4040030Reactor

Department of the Army Hq United States Army Communications Research and Development Command · NSN 5950-01-245-1478 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-245-1478 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-245-1478. Primary manufacturer part number: B4040030.
Features
  • Reactor — FSC 5950
  • DC Resistance Rating in Ohms: 0.013 SINGLE COMPONENT ALL WINDING
  • Mounting Method: TERMINAL SINGLE GROUP
  • Inductance Rating: 20.00 MICROHENRIES MINIMUM AND 40.00 MICROHENRIES MAXIMUM SINGLE COMPONENT ALL WINDING
  • Test Data Document: 56996-B4040030 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Winding Quantity: 2 SINGLE COMPONENT
  • Maximum Operating Temp: 130.0 CELSIUS DEGC
  • Rating Method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT ALL WINDING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-245-1478, 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 Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 18 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-245-1478
Primary Part NumberB4040030
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDepartment of the Army Hq United States Army Communications Research and Development Command
StatusACTIVE
DC Resistance Rating in Ohms0.013 SINGLE COMPONENT ALL WINDING
Mounting MethodTERMINAL SINGLE GROUP
Inductance Rating20.00 MICROHENRIES MINIMUM AND 40.00 MICROHENRIES MAXIMUM SINGLE COMPONENT ALL WINDING
Test Data Document56996-B4040030 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Winding Quantity2 SINGLE COMPONENT
Maximum Operating Temp130.0 CELSIUS DEGC
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT ALL WINDING
Frequency Rating10.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Conductor Size0.05082 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL WINDING IN
Winding Operating Current0.0 AMPERES DC MINIMUM AND 15.0 AMPERES DC MAXIMUM SINGLE COMPONENT ALL WINDING
Body Length1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Turn Quantity23 SINGLE COMPONENT ALL WINDING
Inductance TypeSWINGING
Inclosure TypeFULLY INCLOSED
Body Height1.600 INCHES MAXIMUM IN
Body Width0.930 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
Terminal Type and Quantity4 PIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
7510-00-285-178726109 INTERCHANGEABLE
Rubber Band
Alliance Rubber Co
5315-00-486-858314117 INTERCHANGEABLE
Pin Assy,parachute
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
5905-00-679-570525956-5-3 INTERCHANGEABLE
Resistor,adjustable
Ward Leonard Ct Llc
4920-00-968-945614117 INTERCHANGEABLE
Indicator Assembly
Elbitamerica, Inc.
6240-01-344-9532F9TT/27K INTERCHANGEABLE
Lamp,fluorescent
Gte Products Corp Sylvania Miniature Lighting Div
5305-01-433-840614117 INTERCHANGEABLE
Screw,shoulder
Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
3C385 Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc (USA)
14117 Magnespec Inc (USA)
B4040030 PRIMARY Department of the Army Hq United States Army Communications Research and Development Command (USA)
Related Parts
7510-00-285-1787INTERCHANGEABLE
RUBBER BAND
26109
5315-00-486-8583INTERCHANGEABLE
PIN ASSY,PARACHUTE
14117
5905-00-679-5705INTERCHANGEABLE
RESISTOR,ADJUSTABLE
25956-5-3
4920-00-968-9456INTERCHANGEABLE
INDICATOR ASSEMBLY
14117
6240-01-344-9532INTERCHANGEABLE
LAMP,FLUORESCENT
F9TT/27K
5305-01-433-8406INTERCHANGEABLE
SCREW,SHOULDER
14117

Frequently Asked Questions

What is NSN 5950-01-245-1478?

NSN 5950-01-245-1478 is a Reactor, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-245-1478?

NSN 5950-01-245-1478 has 3 cross-referenced part numbers: 3C385 (Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc), 14117 (Magnespec Inc), B4040030 (Department of the Army Hq United States Army Communications Research and Development Command).

What NSN replaces 5950-01-245-1478?

There are 6 known substitutes for 5950-01-245-1478: 7510-00-285-1787, 5315-00-486-8583, 5905-00-679-5705 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B4040030?

Key specifications for B4040030: DC Resistance Rating in Ohms: 0.013 SINGLE COMPONENT ALL WINDING; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 20.00 MICROHENRIES MINIMUM AND 40.00 MICROHENRIES MAXIMUM SINGLE COMPONENT ALL WINDING; Test Data Document: 56996-B4040030 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING). 18 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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