PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GR1-2B1Microcircuit,digital

Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems · NSN 5962-00-161-2879 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-161-2879 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-161-2879. Primary manufacturer part number: GR1-2B1.
Features
  • Microcircuit,digital — FSC 5962
  • Maximum Power Dissipation Rating: 85.0 MILLIWATTS
  • Design Function and Quantity: 2 BUFFER
  • Voltage Rating and Type Per Characteristic: 8.0 VOLTS MAXIMUM POWER SOURCE
  • Inclosure Material: CERAMIC
  • Input Circuit Pattern: DUAL 4 INPUT
  • Body Height: 0.180 INCHES MAXIMUM IN
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-00-161-2879, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-00-161-2879
Primary Part NumberGR1-2B1
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems
StatusACTIVE
Maximum Power Dissipation Rating85.0 MILLIWATTS
Design Function and Quantity2 BUFFER
Voltage Rating and Type Per Characteristic8.0 VOLTS MAXIMUM POWER SOURCE
Inclosure MaterialCERAMIC
Input Circuit PatternDUAL 4 INPUT
Body Height0.180 INCHES MAXIMUM IN
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Body Length0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED AND BURN IN AND MONOLITHIC AND POSITIVE OUTPUTS AND EXPANDABLE
Terminal Surface TreatmentSOLDER
Inclosure ConfigurationDUAL-IN-LINE
Time Rating Per Chacteristic80.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 40.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Terminal Type and Quantity14 PRINTED CIRCUIT
Output Logic FormDIODE-TRANSISTOR LOGIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5962-00-156-5765SN15932J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5962-00-163-41673520023-001 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5962-00-350-8422SM-B-525277 INTERCHANGEABLE
Microcircuit,digital
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5962-00-408-1056RM932D INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Dba Raytheon Co
5962-00-484-2337RX2094 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Dba Raytheon Co
5962-01-039-3434151440-03 INTERCHANGEABLE
Microcircuit,digital
Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
U6A993251X Fairchild Semiconductor Corp (USA)
GR1-2B1 Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions (USA)
GR1-2B1 PRIMARY Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
MC932L Freescale Semiconductor, Inc. (USA)
Related Parts
5962-00-156-5765INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN15932J
5962-00-163-4167INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3520023-001
5962-00-350-8422INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SM-B-525277
5962-00-408-1056INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
RM932D
5962-00-484-2337INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
RX2094
5962-01-039-3434INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
151440-03

Frequently Asked Questions

What is NSN 5962-00-161-2879?

NSN 5962-00-161-2879 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 5962-00-161-2879?

NSN 5962-00-161-2879 has 4 cross-referenced part numbers: U6A993251X (Fairchild Semiconductor Corp), GR1-2B1 (Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions), GR1-2B1 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems), MC932L (Freescale Semiconductor, Inc.).

What NSN replaces 5962-00-161-2879?

There are 6 known substitutes for 5962-00-161-2879: 5962-00-156-5765, 5962-00-163-4167, 5962-00-350-8422 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GR1-2B1?

Key specifications for GR1-2B1: Maximum Power Dissipation Rating: 85.0 MILLIWATTS; Design Function and Quantity: 2 BUFFER; Voltage Rating and Type Per Characteristic: 8.0 VOLTS MAXIMUM POWER SOURCE; Inclosure Material: CERAMIC. 17 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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