PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

403903Microcircuit,linear

Aimtron Systems, Llc · NSN 5962-01-003-2572 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-003-2572 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-003-2572. Primary manufacturer part number: 403903.
Features
  • Microcircuit,linear — FSC 5962
  • Body Height: 0.180 INCHES NOMINAL IN
  • Terminal Surface Treatment: TIN
  • Body Width: 0.250 INCHES NOMINAL IN
  • Features Provided: HERMETICALLY SEALED
  • Test Data Document: 81349-MIL-STD-883B STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
  • Inclosure Material: CERAMIC
  • Inclosure Configuration: DUAL-IN-LINE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,linear, cataloged under National Stock Number 5962-01-003-2572, 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 Aimtron Systems, Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 21 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5962-01-003-2572
Primary Part Number403903
Item NameMicrocircuit,linear
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerAimtron Systems, Llc
StatusCANCELLED
Body Height0.180 INCHES NOMINAL IN
Terminal Surface TreatmentTIN
Body Width0.250 INCHES NOMINAL IN
Features ProvidedHERMETICALLY SEALED
Test Data Document81349-MIL-STD-883B STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Inclosure MaterialCERAMIC
Inclosure ConfigurationDUAL-IN-LINE
Body Length0.725 INCHES NOMINAL IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Input Circuit Pattern8 INPUT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5998-00-814-4185403903 INTERCHANGEABLE
Circuit Card Assembly
Tdk-Lambda Americas Inc. Div High Power Division
5962-01-010-7807LM339J INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5962-01-052-7068LM139D/883B INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5962-01-072-36256002376 INTERCHANGEABLE
Microcircuit,linear
Meggitt Aircraft Braking Systems Corporation
5962-01-082-52581826-0347 INTERCHANGEABLE
Microcircuit,linear
Keysight Technologies Inc
5962-01-088-3862 INTERCHANGEABLE
Microcircuit,linear
5962-01-089-9489G390528-1 INTERCHANGEABLE
Microcircuit,linear
L3harris Technologies, Inc Div Space & Airborne Systems
5962-01-111-3047LM239D883C INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5962-01-114-1193 INTERCHANGEABLE
Microcircuit,linear
5962-01-125-3094LM139J/883B INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
LM139D883 National Semiconductor Corporation (USA)
14050547-6 Safran Electronics & Defense (FRA)
316-3390 Data I/o Corporation Dba Data I/o (USA)
7846116 Lockheed Martin Corporation Div Rms (USA)
403903 PRIMARY Aimtron Systems, Llc (USA)
LM139D883B National Semiconductor (uk) Ltd (GBR)
LM139J/883C Fairchild Semiconductor Corp Semiconductor Div Hq (USA)
404-550 Farnell Components Inc Div of Farnell Electronics Plc (USA)
PC73414-1 Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
14050547-6 Safran (FRA)
115201-0003 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
LM139D/883B National Semiconductor Corporation (USA)
LM139J/883C National Semiconductor Corporation (USA)
P38510-067 Us Army Aviation and Missile Command (USA)
LM139J/883 National Semiconductor Corporation (USA)
SM-C-803427-1 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
403903 Viking Technologies, Ltd. (USA)
178-0341 Autek Systems Corp (USA)
ES5315-02 Drs Sustainment Systems, Inc. (USA)
403903 Cardion Inc (USA)
Related Parts
5998-00-814-4185INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
403903
5962-01-010-7807INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM339J
5962-01-052-7068INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM139D/883B
5962-01-072-3625INTERCHANGEABLE
MICROCIRCUIT,LINEAR
6002376
5962-01-082-5258INTERCHANGEABLE
MICROCIRCUIT,LINEAR
1826-0347
5962-01-088-3862INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-089-9489INTERCHANGEABLE
MICROCIRCUIT,LINEAR
G390528-1
5962-01-111-3047INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM239D883C
5962-01-114-1193INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-125-3094INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM139J/883B
5962-01-141-5681INTERCHANGEABLE
MICROCIRCUIT,LINEAR
1826-0341
5962-01-152-7947INTERCHANGEABLE
MICROCIRCUIT,LINEAR
951405-1

Frequently Asked Questions

What is NSN 5962-01-003-2572?

NSN 5962-01-003-2572 is a Microcircuit,linear, manufactured by Aimtron Systems, Llc, classified under FSC 5962 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5962-01-003-2572?

NSN 5962-01-003-2572 has 25 cross-referenced part numbers: LM139D883 (National Semiconductor Corporation), 14050547-6 (Safran Electronics & Defense), 316-3390 (Data I/o Corporation Dba Data I/o), 7846116 (Lockheed Martin Corporation Div Rms), 403903 (Aimtron Systems, Llc) and 20 more.

What NSN replaces 5962-01-003-2572?

There are 12 known substitutes for 5962-01-003-2572: 5998-00-814-4185, 5962-01-010-7807, 5962-01-052-7068 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 403903?

Key specifications for 403903: Body Height: 0.180 INCHES NOMINAL IN; Terminal Surface Treatment: TIN; Body Width: 0.250 INCHES NOMINAL IN; Features Provided: HERMETICALLY SEALED. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-01-003-2572 still in active supply?

NSN 5962-01-003-2572 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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