PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GR1-4B1Microcircuit,digital

Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems · NSN 5962-00-162-7403 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-162-7403 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-162-7403. Primary manufacturer part number: GR1-4B1.
Features
  • Microcircuit,digital — FSC 5962
  • Body Length: 0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED AND BURN IN AND MONOLITHIC AND W/CLOCK AND POSITIVE OUTPUTS
  • Body Width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Output Logic Form: DIODE-TRANSISTOR LOGIC
  • Test Data Document: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
  • Terminal Type and Quantity: 14 PRINTED CIRCUIT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-00-162-7403, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-00-162-7403
Primary Part NumberGR1-4B1
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems
StatusACTIVE
Body Length0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED AND BURN IN AND MONOLITHIC AND W/CLOCK AND POSITIVE OUTPUTS
Body Width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Output Logic FormDIODE-TRANSISTOR LOGIC
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Terminal Type and Quantity14 PRINTED CIRCUIT
Terminal Surface TreatmentSOLDER
Voltage Rating and Type Per Characteristic5.5 VOLTS MAXIMUM POWER SOURCE
Design Function and Quantity1 COUNTER, BINARY
Input Circuit Pattern6 INPUT
Inclosure ConfigurationDUAL-IN-LINE
Body Height0.180 INCHES MAXIMUM IN
Maximum Power Dissipation Rating150.0 MILLIWATTS
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Inclosure MaterialCERAMIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-00-740-5873 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
ML939L Lansdale Semiconductor, Inc. (USA)
GR1-4B1 PRIMARY Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
MC939L Freescale Semiconductor, Inc. (USA)
GR1-4B1 Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions (USA)
ML939C Lansdale Semiconductor, Inc. (USA)
Related Parts
5962-00-740-5873INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5962-00-162-7403?

NSN 5962-00-162-7403 is a Microcircuit,digital, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-00-162-7403?

NSN 5962-00-162-7403 has 5 cross-referenced part numbers: ML939L (Lansdale Semiconductor, Inc.), GR1-4B1 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems), MC939L (Freescale Semiconductor, Inc.), GR1-4B1 (Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions), ML939C (Lansdale Semiconductor, Inc.).

What NSN replaces 5962-00-162-7403?

There is 1 known substitute for 5962-00-162-7403: 5962-00-740-5873. Verify interchangeability with system specifications before substitution.

What are the specifications of GR1-4B1?

Key specifications for GR1-4B1: Body Length: 0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN; Features Provided: HERMETICALLY SEALED AND BURN IN AND MONOLITHIC AND W/CLOCK AND POSITIVE OUTPUTS; Body Width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC. 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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