PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1221303Reactor

Laselco Pacific · NSN 5950-01-111-9524 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-111-9524 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-111-9524. Primary manufacturer part number: 1221303.
Features
  • Reactor — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inductance Type: FIXED
  • Body Length: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 4 PIN
  • Inclosure Type: FULLY INCLOSED
  • Mounting Method: TERMINAL SINGLE GROUP
  • Inductance Rating: 320.00 MILLIHENRIES MINIMUM AND 800.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT ALL WINDING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-111-9524, 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 Laselco Pacific. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-111-9524
Primary Part Number1221303
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLaselco Pacific
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Inductance TypeFIXED
Body Length0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
Terminal Type and Quantity4 PIN
Inclosure TypeFULLY INCLOSED
Mounting MethodTERMINAL SINGLE GROUP
Inductance Rating320.00 MILLIHENRIES MINIMUM AND 800.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT ALL WINDING
Body Outside Diameter0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
Winding Quantity2 SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5365-00-515-06935600-0002 INTERCHANGEABLE
Spacer,sleeve
Testek Llc Dba Testek Solutions
5940-00-872-0888C540100072 INTERCHANGEABLE
Splice,conductor
Kearfott Corporation Div Guidance and Navigation Division
5935-01-398-16041221-303 INTERCHANGEABLE
Connector,plug,electrical
Cinch Connectivity Solutions Inc.
Cross-Reference Index
Part NumberManufacturer
1221303 Laselco Pacific (USA)
5600-0002 Laselco Pacific (USA)
Related Parts
5365-00-515-0693INTERCHANGEABLE
SPACER,SLEEVE
5600-0002
5940-00-872-0888INTERCHANGEABLE
SPLICE,CONDUCTOR
C540100072
5935-01-398-1604INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1221-303

Frequently Asked Questions

What is NSN 5950-01-111-9524?

NSN 5950-01-111-9524 is a Reactor, manufactured by Laselco Pacific, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-111-9524?

NSN 5950-01-111-9524 has 2 cross-referenced part numbers: 1221303 (Laselco Pacific), 5600-0002 (Laselco Pacific).

What NSN replaces 5950-01-111-9524?

There are 3 known substitutes for 5950-01-111-9524: 5365-00-515-0693, 5940-00-872-0888, 5935-01-398-1604. Verify interchangeability with system specifications before substitution.

What are the specifications of 1221303?

Key specifications for 1221303: Reliability Indicator: NOT ESTABLISHED; Inductance Type: FIXED; Body Length: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Terminal Type and Quantity: 4 PIN. 9 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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