PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S81Reactor

Magnetika Inc · NSN 5950-01-090-1610 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-090-1610 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-090-1610. Primary manufacturer part number: S81.
Features
  • Reactor — FSC 5950
  • Inductance Type: FIXED
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 2.156 INCHES NOMINAL IN
  • Inductance Rating: 2.00 MILLIHENRIES NOMINAL AND 25.00 MILLIHENRIES NOMINAL SINGLE COMPONENT ALL WINDING
  • Body Height: 2.500 INCHES NOMINAL IN
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Distance Between Mounting Facility Centers: 3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-090-1610, 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 Magnetika Inc. Government technical data includes 15 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-090-1610
Primary Part NumberS81
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc
StatusACTIVE
Inductance TypeFIXED
Reliability IndicatorNOT ESTABLISHED
Body Width2.156 INCHES NOMINAL IN
Inductance Rating2.00 MILLIHENRIES NOMINAL AND 25.00 MILLIHENRIES NOMINAL SINGLE COMPONENT ALL WINDING
Body Height2.500 INCHES NOMINAL IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Distance Between Mounting Facility Centers3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current5.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity2 SINGLE GROUP
Body Length2.750 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Inclosure TypeFULLY INCLOSED
Winding Quantity2 SINGLE COMPONENT
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
DC Resistance Rating in Ohms0.150 SINGLE COMPONENT ALL WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6240-00-014-2306 INTERCHANGEABLE
Lamp,incandescent
5961-00-058-8919 INTERCHANGEABLE
Semiconductor Device,thyristor
3895-00-160-6366S81 INTERCHANGEABLE
Housing,ball Joint
Ed Etnyre & Co
5331-00-171-664962309-14 INTERCHANGEABLE
O-Ring
Arvinmeritor Inc
5120-00-222-4506S-81FG INTERCHANGEABLE
Shovel,hand
Ampco Partners, Ltd. Dba Ampco Safety Tools
4510-00-242-4359S81 INTERCHANGEABLE
Stopper,waste Drain
Kirkhill Inc
Cross-Reference Index
Part NumberManufacturer
S81 United Transformer Corp Sub of Opt Industries Inc (USA)
S81 PRIMARY Magnetika Inc (USA)
Related Parts
6240-00-014-2306INTERCHANGEABLE
LAMP,INCANDESCENT
5961-00-058-8919INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
3895-00-160-6366INTERCHANGEABLE
HOUSING,BALL JOINT
S81
5331-00-171-6649INTERCHANGEABLE
O-RING
62309-14
5120-00-222-4506INTERCHANGEABLE
SHOVEL,HAND
S-81FG
4510-00-242-4359INTERCHANGEABLE
STOPPER,WASTE DRAIN
S81

Frequently Asked Questions

What is NSN 5950-01-090-1610?

NSN 5950-01-090-1610 is a Reactor, manufactured by Magnetika Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-090-1610?

NSN 5950-01-090-1610 has 2 cross-referenced part numbers: S81 (United Transformer Corp Sub of Opt Industries Inc), S81 (Magnetika Inc).

What NSN replaces 5950-01-090-1610?

There are 6 known substitutes for 5950-01-090-1610: 6240-00-014-2306, 5961-00-058-8919, 3895-00-160-6366 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S81?

Key specifications for S81: Inductance Type: FIXED; Reliability Indicator: NOT ESTABLISHED; Body Width: 2.156 INCHES NOMINAL IN; Inductance Rating: 2.00 MILLIHENRIES NOMINAL AND 25.00 MILLIHENRIES NOMINAL SINGLE COMPONENT ALL WINDING. 15 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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