PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20A2955-1Microcircuit,digital

Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp · NSN 5962-01-021-1279 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-021-1279 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-021-1279. Primary manufacturer part number: 20A2955-1.
Features
  • Microcircuit,digital — FSC 5962
  • Input Circuit Pattern: 11 INPUT
  • Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC
  • Features Provided: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND W/DECODED OUTPUT AND EXPANDABLE
  • Body Length: 0.440 INCHES MAXIMUM IN
  • Specification/standard Data: 81349-MIL-M-38510/150 GOVERNMENT SPECIFICATION
  • Terminal Surface Treatment: SOLDER
  • Design Function and Quantity: 1 COMPARATOR, MAGNITUDE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-021-1279, 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 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5962-01-021-1279
Primary Part Number20A2955-1
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
StatusCANCELLED
Input Circuit Pattern11 INPUT
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Features ProvidedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND W/DECODED OUTPUT AND EXPANDABLE
Body Length0.440 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-M-38510/150 GOVERNMENT SPECIFICATION
Terminal Surface TreatmentSOLDER
Design Function and Quantity1 COMPARATOR, MAGNITUDE
Terminal Type and Quantity16 FLAT LEADS
Case Outline Source and DesignatorF-5 MIL-M-38510
Voltage Rating and Type Per Characteristic5.5 VOLTS MAXIMUM POWER SOURCE
Test Data Document81349-MIL-M-38510 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Body Width0.245 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
Body Height0.045 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
Inclosure MaterialCERAMIC AND GLASS
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Inclosure ConfigurationFLAT PACK
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Maximum Power Dissipation Rating485.0 MILLIWATTS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5962-01-016-8738 INTERCHANGEABLE
Microcircuit,digital
5962-01-050-5893 INTERCHANGEABLE
Microcircuit,digital
5962-01-051-1349 INTERCHANGEABLE
Microcircuit,digital
5962-01-058-4870 INTERCHANGEABLE
Microcircuit,digital
5962-01-074-8050 INTERCHANGEABLE
Microcircuit,digital
5962-01-204-211411437899 INTERCHANGEABLE
Microcircuit,digital
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
20A2955-1 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
M38510/15001BFA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6088658-1 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
615236-903 Raytheon Company (USA)
313008P4 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
SN23272W Texas Instruments Incorporated (USA)
SNC5485W Texas Instruments Incorporated (USA)
MC5485 Freescale Semiconductor, Inc. (USA)
5962-3815001BFA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-38510/150 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5962-3815001BFB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2898430 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
SN5485 Texas Instruments Incorporated (USA)
M38510/15001BFX Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5962-3815001BFX Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M38510/15001BFB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SN38247W Texas Instruments Incorporated (USA)
SC38947FH Freescale Semiconductor, Inc. (USA)
SN5485W Texas Instruments Incorporated (USA)
HL78638 Fairchild Semiconductor Corp (USA)
Related Parts
5962-01-016-8738INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-050-5893INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-051-1349INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-058-4870INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-074-8050INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-204-2114INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
11437899

Frequently Asked Questions

What is NSN 5962-01-021-1279?

NSN 5962-01-021-1279 is a Microcircuit,digital, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp, classified under FSC 5962 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5962-01-021-1279?

NSN 5962-01-021-1279 has 21 cross-referenced part numbers: 20A2955-1 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), M38510/15001BFA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6088658-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), 615236-903 (Raytheon Company), 313008P4 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems) and 16 more.

What NSN replaces 5962-01-021-1279?

There are 6 known substitutes for 5962-01-021-1279: 5962-01-016-8738, 5962-01-050-5893, 5962-01-051-1349 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20A2955-1?

Key specifications for 20A2955-1: Input Circuit Pattern: 11 INPUT; Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC; Features Provided: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND W/DECODED OUTPUT AND EXPANDABLE; Body Length: 0.440 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-01-021-1279 still in active supply?

NSN 5962-01-021-1279 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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