PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GR1-16B1Microcircuit,digital

Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems · NSN 5962-00-161-2877 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-161-2877 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-161-2877. Primary manufacturer part number: GR1-16B1.
Features
  • Microcircuit,digital — FSC 5962
  • Body Height: 0.200 INCHES NOMINAL IN
  • Features Provided: HERMETICALLY SEALED
  • Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC
  • Inclosure Material: CERAMIC
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Body Length: 0.785 INCHES NOMINAL IN
  • Body Width: 0.280 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-00-161-2877, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5962-00-161-2877
Primary Part NumberGR1-16B1
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems
StatusACTIVE
Body Height0.200 INCHES NOMINAL IN
Features ProvidedHERMETICALLY SEALED
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Inclosure MaterialCERAMIC
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Length0.785 INCHES NOMINAL IN
Body Width0.280 INCHES NOMINAL IN
Inclosure ConfigurationDUAL-IN-LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5962-00-003-2067SN35347 INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5962-00-170-68012M221PS8124 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Corp Electronic Systems Defensive System Div
5962-00-245-83848449619 INTERCHANGEABLE
Microcircuit,digital
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5962-00-471-5720DM7550D INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
5962-00-550-8430 INTERCHANGEABLE
Microcircuit,digital
5962-01-053-8677578R644H02 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
DM5475D National Semiconductor Corporation (USA)
SN5475J Texas Instruments Incorporated (USA)
GR1-16B1 PRIMARY Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
DM7550D National Semiconductor Corporation (USA)
Related Parts
5962-00-003-2067INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN35347
5962-00-170-6801INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2M221PS8124
5962-00-245-8384INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
8449619
5962-00-471-5720INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
DM7550D
5962-00-550-8430INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-053-8677INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
578R644H02

Frequently Asked Questions

What is NSN 5962-00-161-2877?

NSN 5962-00-161-2877 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 5962-00-161-2877?

NSN 5962-00-161-2877 has 4 cross-referenced part numbers: DM5475D (National Semiconductor Corporation), SN5475J (Texas Instruments Incorporated), GR1-16B1 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems), DM7550D (National Semiconductor Corporation).

What NSN replaces 5962-00-161-2877?

There are 6 known substitutes for 5962-00-161-2877: 5962-00-003-2067, 5962-00-170-6801, 5962-00-245-8384 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GR1-16B1?

Key specifications for GR1-16B1: Body Height: 0.200 INCHES NOMINAL IN; Features Provided: HERMETICALLY SEALED; Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC; Inclosure Material: CERAMIC. 8 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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