PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1984Reactor

Berkshire Transformer · NSN 5950-00-645-9133 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-9133 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-9133. Primary manufacturer part number: 1984.
Features
  • Reactor — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Winding Quantity: 1 SINGLE COMPONENT
  • Body Width: 2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-645-9133, 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 Berkshire Transformer. Government technical data includes 20 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-9133
Primary Part Number1984
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBerkshire Transformer
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Quantity1 SINGLE COMPONENT
Body Width2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN
DC Resistance Rating in Ohms150.000 SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 TAB, SOLDER LUG
Body Length3.000 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.109 INCHES MINIMUM AND 2.141 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inductance TypeFIXED
Center to Center Distance Between Mounting Facilities Parallel to Length2.234 INCHES MINIMUM AND 2.266 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current125.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Frequency Rating120.0 HERTZ NOMINAL SINGLE COMPONENT
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Body Height3.734 INCHES MINIMUM AND 3.766 INCHES MAXIMUM IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Inductance Rating10.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5315-00-039-5453198-4 INTERCHANGEABLE
Pin,straight,headless
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
4730-00-045-97711170480 INTERCHANGEABLE
Plug,pipe,magnetic
Chrysler Corp Dayton Plant 1
2530-00-469-7847 INTERCHANGEABLE
Tank,pressure
5998-01-056-274068D040058-2003 INTERCHANGEABLE
Extender Card,electronic Test
The Boeing Company Div Defense
5815-01-084-2293 INTERCHANGEABLE
Pulley
6160-01-179-70181984 INTERCHANGEABLE
Tray,battery
Hollingsead International, Llc
4820-01-340-4036115657176FN94 INTERCHANGEABLE
Valve,safety Relief
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
1984 Berkshire Transformer (USA)
TF5001 The Technical Material Corporation Dba T M C (USA)
Related Parts
5315-00-039-5453INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
198-4
4730-00-045-9771INTERCHANGEABLE
PLUG,PIPE,MAGNETIC
1170480
2530-00-469-7847INTERCHANGEABLE
TANK,PRESSURE
5998-01-056-2740INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
68D040058-2003
5815-01-084-2293INTERCHANGEABLE
PULLEY
6160-01-179-7018INTERCHANGEABLE
TRAY,BATTERY
1984
4820-01-340-4036INTERCHANGEABLE
VALVE,SAFETY RELIEF
115657176FN94

Frequently Asked Questions

What is NSN 5950-00-645-9133?

NSN 5950-00-645-9133 is a Reactor, manufactured by Berkshire Transformer, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-9133?

NSN 5950-00-645-9133 has 2 cross-referenced part numbers: 1984 (Berkshire Transformer), TF5001 (The Technical Material Corporation Dba T M C).

What NSN replaces 5950-00-645-9133?

There are 7 known substitutes for 5950-00-645-9133: 5315-00-039-5453, 4730-00-045-9771, 2530-00-469-7847 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1984?

Key specifications for 1984: Reliability Indicator: NOT ESTABLISHED; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Thread Quantity Per Inch: 32 SINGLE GROUP; Mounting Facility Quantity: 4 SINGLE GROUP. 21 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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