PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LM123K/883BMicrocircuit,linear

National Semiconductor Corporation · NSN 5962-01-043-4930 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-043-4930 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-043-4930. Primary manufacturer part number: LM123K/883B.
Features
  • Microcircuit,linear — FSC 5962
  • Input Circuit Pattern: 1 INPUT
  • Body Length: 1.573 INCHES MAXIMUM IN
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
  • Case Outline Source and Designator: T0-3 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
  • Test Data Document: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
  • Inclosure Material: GLASS AND METAL
  • Design Function and Quantity: 1 REGULATOR, VOLTAGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,linear, cataloged under National Stock Number 5962-01-043-4930, is classified within Federal Supply Class 5962 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is National Semiconductor Corporation. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 13 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
NSN5962-01-043-4930
Primary Part NumberLM123K/883B
Item NameMicrocircuit,linear
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Input Circuit Pattern1 INPUT
Body Length1.573 INCHES MAXIMUM IN
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Case Outline Source and DesignatorT0-3 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Inclosure MaterialGLASS AND METAL
Design Function and Quantity1 REGULATOR, VOLTAGE
Voltage Rating and Type Per Characteristic20.0 VOLTS MAXIMUM POWER SOURCE
Terminal Type and Quantity2 PIN
Maximum Power Dissipation Rating30.0 WATTS
Terminal Surface TreatmentSOLDER
Operating Temp Range-55.0 TO 150.0 CELSIUS DEGC
Features ProvidedMONOLITHIC AND HERMETICALLY SEALED AND POSITIVE OUTPUTS AND RESETTABLE AND HIGH CURRENT
Body Width1.050 INCHES MAXIMUM IN
Body Height0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
Inclosure ConfigurationCAN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5962-01-087-8519 INTERCHANGEABLE
Microcircuit,linear
5962-01-123-4944LM123K/883B INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5962-01-203-5849171919 INTERCHANGEABLE
Microcircuit,linear
Northrop Grumman Systems Corporation
5962-01-241-9786349-314-003 INTERCHANGEABLE
Microcircuit,linear
L3harris Interstate Electronics Corporation
5306-01-316-14571056551 INTERCHANGEABLE
Bolt,shoulder
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
LM123K/883BA Adelco Elektronik Gmbh (DEU)
LM123K/883B Adelco Elektronik Gmbh (DEU)
105655-1 L3harris Technologies, Inc. (USA)
GM820AEM3 Northrop Grumman Systems Corporation (USA)
LM323 National Semiconductor Corporation (USA)
41284-000 Eltro Gmbhgesellschaft Fuer Strahlungstechnik (DEU)
SG123K/883B Microsemi Corp Analog Mixed Signal Group (USA)
SM-C-775131-1 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
2804084-1 Honeywell Intl Inc Defense Avionics Systems (USA)
P38510-024A Us Army Aviation and Missile Command (USA)
LM123K/883B PRIMARY National Semiconductor Corporation (USA)
2713-3650058 Moseley Associates, Inc (USA)
41284-000 Hensoldt Optronics Gmbh (DEU)
105655-1 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
LM123K/883B Lacon Electronic Gmbh (DEU)
Related Parts
5962-01-087-8519INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-123-4944INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM123K/883B
5962-01-203-5849INTERCHANGEABLE
MICROCIRCUIT,LINEAR
171919
5962-01-241-9786INTERCHANGEABLE
MICROCIRCUIT,LINEAR
349-314-003
5306-01-316-1457INTERCHANGEABLE
BOLT,SHOULDER
1056551

Frequently Asked Questions

What is NSN 5962-01-043-4930?

NSN 5962-01-043-4930 is a Microcircuit,linear, manufactured by National Semiconductor Corporation, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-043-4930?

NSN 5962-01-043-4930 has 15 cross-referenced part numbers: LM123K/883BA (Adelco Elektronik Gmbh), LM123K/883B (Adelco Elektronik Gmbh), 105655-1 (L3harris Technologies, Inc.), GM820AEM3 (Northrop Grumman Systems Corporation), LM323 (National Semiconductor Corporation) and 10 more.

What NSN replaces 5962-01-043-4930?

There are 5 known substitutes for 5962-01-043-4930: 5962-01-087-8519, 5962-01-123-4944, 5962-01-203-5849 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LM123K/883B?

Key specifications for LM123K/883B: Input Circuit Pattern: 1 INPUT; Body Length: 1.573 INCHES MAXIMUM IN; Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC; Case Outline Source and Designator: T0-3 JOINT ELECTRON DEVICE ENGINEERING COUNCIL. 16 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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