PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4870Reactor

Dyco Manufacturing, Llc · NSN 5950-01-237-4264 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-237-4264 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-237-4264. Primary manufacturer part number: 4870.
Features
  • Reactor — FSC 5950
  • Mounting Method: TERMINAL SINGLE GROUP
  • Overall Diameter: 0.875 INCHES NOMINAL IN
  • Inclosure Type: OPEN
  • Turn Quantity: 21 SINGLE COMPONENT SECOND SECONDARY
  • Rating Method: WINDING TURNS SINGLE COMPONENT ALL WINDING
  • Winding Quantity: 3 SINGLE COMPONENT
  • Winding Conductor Size: 0.01594 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-237-4264, 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 Dyco Manufacturing, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-237-4264
Primary Part Number4870
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDyco Manufacturing, Llc
StatusACTIVE
Mounting MethodTERMINAL SINGLE GROUP
Overall Diameter0.875 INCHES NOMINAL IN
Inclosure TypeOPEN
Turn Quantity21 SINGLE COMPONENT SECOND SECONDARY
Rating MethodWINDING TURNS SINGLE COMPONENT ALL WINDING
Winding Quantity3 SINGLE COMPONENT
Winding Conductor Size0.01594 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Turn Quantity60 SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity6 WIRE LEAD
Turn Quantity60 SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-203-7575112CSS-2-070 INTERCHANGEABLE
Valve,safety Relief
F.c.kingston Co. Dba Storm Manufacturing
5965-00-280-78164870 INTERCHANGEABLE
Earphone Element
Bradford Vibrators Co the
5340-00-367-14644870 INTERCHANGEABLE
Seat,helical Compression Spring
Leslie Controls, Inc. Dba Leslie Controls Inc
2520-00-383-9603204870 INTERCHANGEABLE
Cap
Clark Material Handling Company
5940-00-556-77611920B INTERCHANGEABLE
Terminal,stud
Goe Engineering Co Inc
1660-00-794-0856 INTERCHANGEABLE
Facepiece,mask,oxygen
1005-00-999-4213 INTERCHANGEABLE
Shotgun,12 Gage
5340-01-057-2216 INTERCHANGEABLE
Hardware Kit,electronic Equipmen
5120-01-087-2812GS16150-1 INTERCHANGEABLE
Tool,adapter,torque
Hamilton Sundstrand Corporation Dba Collins Aerospace
6532-01-122-92794874 INTERCHANGEABLE
Footwear Covers,operating Room
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
4870 Dyco Manufacturing, Llc (USA)
5165205-002 Sci Systems Inc (USA)
5165205-001 Sci Systems Inc (USA)
Related Parts
4820-00-203-7575INTERCHANGEABLE
VALVE,SAFETY RELIEF
112CSS-2-070
5965-00-280-7816INTERCHANGEABLE
EARPHONE ELEMENT
4870
5340-00-367-1464INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
4870
2520-00-383-9603INTERCHANGEABLE
CAP
204870
5940-00-556-7761INTERCHANGEABLE
TERMINAL,STUD
1920B
1660-00-794-0856INTERCHANGEABLE
FACEPIECE,MASK,OXYGEN
1005-00-999-4213INTERCHANGEABLE
SHOTGUN,12 GAGE
5340-01-057-2216INTERCHANGEABLE
HARDWARE KIT,ELECTRONIC EQUIPMEN
5120-01-087-2812INTERCHANGEABLE
TOOL,ADAPTER,TORQUE
GS16150-1
6532-01-122-9279INTERCHANGEABLE
FOOTWEAR COVERS,OPERATING ROOM
4874
5999-01-213-8301INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
1090-01-231-9026INTERCHANGEABLE
KIT,INSTALLATION
196B7171

Frequently Asked Questions

What is NSN 5950-01-237-4264?

NSN 5950-01-237-4264 is a Reactor, manufactured by Dyco Manufacturing, Llc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-237-4264?

NSN 5950-01-237-4264 has 3 cross-referenced part numbers: 4870 (Dyco Manufacturing, Llc), 5165205-002 (Sci Systems Inc), 5165205-001 (Sci Systems Inc).

What NSN replaces 5950-01-237-4264?

There are 12 known substitutes for 5950-01-237-4264: 4820-00-203-7575, 5965-00-280-7816, 5340-00-367-1464 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4870?

Key specifications for 4870: Mounting Method: TERMINAL SINGLE GROUP; Overall Diameter: 0.875 INCHES NOMINAL IN; Inclosure Type: OPEN; Turn Quantity: 21 SINGLE COMPONENT SECOND SECONDARY. 12 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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