PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100959Saturable Reactor

Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc · NSN 5950-00-985-3103 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-985-3103 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-985-3103. Primary manufacturer part number: 100959.
Features
  • Saturable Reactor — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Height: 1.188 INCHES NOMINAL IN
  • Nominal Thread Size: 0.122 INCHES SINGLE GROUP IN
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • DC Resistance Rating in Ohms: 0.310 SINGLE COMPONENT ALL SECONDARY
  • DC Resistance Rating in Ohms: 60.000 SINGLE COMPONENT THIRD CONTROL
  • Overall Diameter: 1.500 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Saturable Reactor, cataloged under National Stock Number 5950-00-985-3103, 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 Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 17 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-985-3103
Primary Part Number100959
Item NameSaturable Reactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTechnical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Height1.188 INCHES NOMINAL IN
Nominal Thread Size0.122 INCHES SINGLE GROUP IN
Mounting Facility Quantity1 SINGLE GROUP
DC Resistance Rating in Ohms0.310 SINGLE COMPONENT ALL SECONDARY
DC Resistance Rating in Ohms60.000 SINGLE COMPONENT THIRD CONTROL
Overall Diameter1.500 INCHES NOMINAL IN
Thread Quantity Per Inch40 SINGLE GROUP
DC Resistance Rating in Ohms40.000 SINGLE COMPONENT FIRST CONTROL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity2 SECONDARY AND 3 CONTROL SINGLE COMPONENT
Terminal Type and Quantity10 SOLDER STUD
Winding Operating Voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
DC Resistance Rating in Ohms80.000 SINGLE COMPONENT SECOND CONTROL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5945-00-571-555554192 INTERCHANGEABLE
Relay Assembly
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
6685-00-574-753810876 INTERCHANGEABLE
Gage,pressure,dial Indicating
Hauck Manufacturing Company
8145-01-116-9586100959-1 INTERCHANGEABLE
Shipping and Storage Container,e
Prc Composites, Llc Dba Globe Plastics
5310-01-341-2107 INTERCHANGEABLE
Nut,plain,hexagon
5331-01-593-4078100959 INTERCHANGEABLE
O-Ring
M. E. Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
100959 PRIMARY Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA)
100959 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
Related Parts
5945-00-571-5555INTERCHANGEABLE
RELAY ASSEMBLY
54192
6685-00-574-7538INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
10876
8145-01-116-9586INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
100959-1
5310-01-341-2107INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5331-01-593-4078INTERCHANGEABLE
O-RING
100959

Frequently Asked Questions

What is NSN 5950-00-985-3103?

NSN 5950-00-985-3103 is a Saturable Reactor, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-985-3103?

NSN 5950-00-985-3103 has 2 cross-referenced part numbers: 100959 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), 100959 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp).

What NSN replaces 5950-00-985-3103?

There are 5 known substitutes for 5950-00-985-3103: 5945-00-571-5555, 6685-00-574-7538, 8145-01-116-9586 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100959?

Key specifications for 100959: Overall Height: 1.500 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Body Height: 1.188 INCHES NOMINAL IN; Nominal Thread Size: 0.122 INCHES SINGLE GROUP IN. 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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