PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A2158CHANGEBReactor

Dyna-Empire Inc · NSN 5950-00-645-2156 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-2156 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-2156. Primary manufacturer part number: A2158CHANGEB.
Features
  • Reactor — FSC 5950
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Quantity: 1 SINGLE COMPONENT
  • Inclosure Type: HERMETICALLY SEALED
  • Body Height: 2.250 INCHES NOMINAL IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-645-2156, 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 Dyna-Empire Inc. Government technical data includes 19 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-2156
Primary Part NumberA2158CHANGEB
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDyna-Empire Inc
StatusACTIVE
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Winding Quantity1 SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Body Height2.250 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity2 STANDOFF INSULATOR
Body Width3.062 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current60.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inductance TypeFIXED
Mounting Facility Quantity4 SINGLE GROUP
Inductance Rating8.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
DC Resistance Rating in Ohms213.000 SINGLE COMPONENT SINGLE WINDING
Body Length2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5360-01-400-282237884 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5940-01-472-3375 INTERCHANGEABLE
Marker Strip,terminal Board
Cross-Reference Index
Part NumberManufacturer
A2158CHANGEB PRIMARY Dyna-Empire Inc (USA)
37884 Freed Transformer Co (USA)
Related Parts
5360-01-400-2822INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
37884
5940-01-472-3375INTERCHANGEABLE
MARKER STRIP,TERMINAL BOARD

Frequently Asked Questions

What is NSN 5950-00-645-2156?

NSN 5950-00-645-2156 is a Reactor, manufactured by Dyna-Empire Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-2156?

NSN 5950-00-645-2156 has 2 cross-referenced part numbers: A2158CHANGEB (Dyna-Empire Inc), 37884 (Freed Transformer Co).

What NSN replaces 5950-00-645-2156?

There are 2 known substitutes for 5950-00-645-2156: 5360-01-400-2822, 5940-01-472-3375. Verify interchangeability with system specifications before substitution.

What are the specifications of A2158CHANGEB?

Key specifications for A2158CHANGEB: Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Reliability Indicator: NOT ESTABLISHED; Winding Quantity: 1 SINGLE COMPONENT; Inclosure Type: HERMETICALLY SEALED. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com