PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LM139AJMicrocircuit,linear

National Semiconductor Corporation · NSN 5962-01-171-0978 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-171-0978 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-171-0978. Primary manufacturer part number: LM139AJ.
Features
  • Microcircuit,linear — FSC 5962
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Design Function and Quantity: 4 COMPARATOR, VOLTAGE
  • Body Height: 0.180 INCHES NOMINAL IN
  • Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 23128
  • Inclosure Configuration: DUAL-IN-LINE
  • Body Width: 0.280 INCHES MAXIMUM IN
  • Features Provided: LOW POWER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,linear, cataloged under National Stock Number 5962-01-171-0978, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-171-0978
Primary Part NumberLM139AJ
Item NameMicrocircuit,linear
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Design Function and Quantity4 COMPARATOR, VOLTAGE
Body Height0.180 INCHES NOMINAL IN
Special Test FeaturesTESTED PER BASE TEN SYSTEMS DWG 23128
Inclosure ConfigurationDUAL-IN-LINE
Body Width0.280 INCHES MAXIMUM IN
Features ProvidedLOW POWER
Body Length0.785 INCHES MAXIMUM IN
Inclosure MaterialMETAL AND GLASS
Input Circuit PatternQUAD 2 INPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-983-3991SM-B-207043 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5962-01-010-7822LM139AD INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5962-01-051-1165 INTERCHANGEABLE
Microcircuit,linear
5962-01-086-4837LM139AJ INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5962-01-088-3862 INTERCHANGEABLE
Microcircuit,linear
5962-01-096-2132ST67179-0001 INTERCHANGEABLE
Microcircuit,linear
Bae Systems Information & Electronic Systems Integration Inc.
5962-01-177-2450 INTERCHANGEABLE
Microcircuit,linear
5962-01-217-4206819474 INTERCHANGEABLE
Microcircuit,memory
Fluke Corp
5962-01-217-4207819458 INTERCHANGEABLE
Microcircuit,memory
Fluke Corp
4320-01-319-309323128 INTERCHANGEABLE
Pump,centrifugal
Industrial Technologies and Services Llc
Cross-Reference Index
Part NumberManufacturer
LM139AJ PRIMARY National Semiconductor Corporation (USA)
LM139AD National Semiconductor Corporation (USA)
1971689 Racal Radar Defence Systems Ltd (GBR)
LM139AJ Lacon Electronic Gmbh (DEU)
SS-65211-501 Bae Systems Maritime Services (GBR)
LM139AJA Adelco Elektronik Gmbh (DEU)
LM139AD Advanced Micro Devices Inc Dba AMD Austin (USA)
1971689 Thales Uk Limited Dba Thales Uk Ltd Defence Mission Systems (GBR)
LM139AJ Adelco Elektronik Gmbh (DEU)
23128 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
5935-00-983-3991INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SM-B-207043
5962-01-010-7822INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM139AD
5962-01-051-1165INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-086-4837INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM139AJ
5962-01-088-3862INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-096-2132INTERCHANGEABLE
MICROCIRCUIT,LINEAR
ST67179-0001
5962-01-177-2450INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-217-4206INTERCHANGEABLE
MICROCIRCUIT,MEMORY
819474
5962-01-217-4207INTERCHANGEABLE
MICROCIRCUIT,MEMORY
819458
4320-01-319-3093INTERCHANGEABLE
PUMP,CENTRIFUGAL
23128
5962-01-474-6863INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM139AD
6640-01-537-6898INTERCHANGEABLE
BOTTLE,SCREW CAP
23128

Frequently Asked Questions

What is NSN 5962-01-171-0978?

NSN 5962-01-171-0978 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 5962-01-171-0978?

NSN 5962-01-171-0978 has 10 cross-referenced part numbers: LM139AJ (National Semiconductor Corporation), LM139AD (National Semiconductor Corporation), 1971689 (Racal Radar Defence Systems Ltd), LM139AJ (Lacon Electronic Gmbh), SS-65211-501 (Bae Systems Maritime Services) and 5 more.

What NSN replaces 5962-01-171-0978?

There are 12 known substitutes for 5962-01-171-0978: 5935-00-983-3991, 5962-01-010-7822, 5962-01-051-1165 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LM139AJ?

Key specifications for LM139AJ: Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Design Function and Quantity: 4 COMPARATOR, VOLTAGE; Body Height: 0.180 INCHES NOMINAL IN; Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 23128. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com