PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77A100970Microcircuit,memory

Lockheed Martin Corporation Div Rms · NSN 5962-01-158-8947 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-158-8947 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-158-8947. Primary manufacturer part number: 77A100970.
Features
  • Microcircuit,memory — FSC 5962
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Terminal Surface Treatment: SOLDER
  • Test Data Document: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
  • Memory Device Type: ROM
  • Terminal Type and Quantity: 24 PRINTED CIRCUIT
  • Case Outline Source and Designator: D-3 MIL-M-38510
  • Voltage Rating and Type Per Characteristic: 7.0 VOLTS MAXIMUM POWER SOURCE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-158-8947, 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 Div Rms. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-158-8947
Primary Part Number77A100970
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Terminal Surface TreatmentSOLDER
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Memory Device TypeROM
Terminal Type and Quantity24 PRINTED CIRCUIT
Case Outline Source and DesignatorD-3 MIL-M-38510
Voltage Rating and Type Per Characteristic7.0 VOLTS MAXIMUM POWER SOURCE
Inclosure ConfigurationDUAL-IN-LINE
Inclosure MaterialCERAMIC AND GLASS
Features ProvidedHERMETICALLY SEALED AND PROGRAMMABLE AND BIPOLAR AND HIGH IMPEDANCE
Input Circuit Pattern14 INPUT
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Body Height0.210 INCHES NOMINAL IN
Body Length1.290 INCHES MAXIMUM IN
Body Width0.500 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-01-158-990277A102292P1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rms
5962-01-160-408677A101035P1 INTERCHANGEABLE
Microcircuit,memory
Lockheed Martin Corporation Div Rms
5962-01-160-408777A102278P1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rms
5962-01-160-408877A101032P1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rms
5962-01-160-408977A102291P1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rms
5962-01-160-409077A102297P1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rms
5962-01-160-409177A102279P1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rms
5962-01-160-409277A102345P1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rms
5962-01-160-409377A102371P1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rms
5962-01-160-409477A102305P1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rms
Cross-Reference Index
Part NumberManufacturer
77A100970 PRIMARY Lockheed Martin Corporation Div Rms (USA)
AM27S191A/BJA 2 MB Distribution (FRA)
AM27S191ADM-B Advanced Micro Devices Inc Dba AMD Austin (USA)
AM27S191A/BJA Advanced Micro Devices Inc Dba AMD Austin (USA)
ROM/PROM Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5962-01-158-9902INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A102292P1
5962-01-160-4086INTERCHANGEABLE
MICROCIRCUIT,MEMORY
77A101035P1
5962-01-160-4087INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A102278P1
5962-01-160-4088INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A101032P1
5962-01-160-4089INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A102291P1
5962-01-160-4090INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A102297P1
5962-01-160-4091INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A102279P1
5962-01-160-4092INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A102345P1
5962-01-160-4093INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A102371P1
5962-01-160-4094INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A102305P1
5962-01-160-4095INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
77A102304P1
5962-01-161-5797INTERCHANGEABLE
MICROCIRCUIT,MEMORY
77A101031

Frequently Asked Questions

What is NSN 5962-01-158-8947?

NSN 5962-01-158-8947 is a Microcircuit,memory, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-158-8947?

NSN 5962-01-158-8947 has 5 cross-referenced part numbers: 77A100970 (Lockheed Martin Corporation Div Rms), AM27S191A/BJA (2 MB Distribution), AM27S191ADM-B (Advanced Micro Devices Inc Dba AMD Austin), AM27S191A/BJA (Advanced Micro Devices Inc Dba AMD Austin), ROM/PROM (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).

What NSN replaces 5962-01-158-8947?

There are 12 known substitutes for 5962-01-158-8947: 5962-01-158-9902, 5962-01-160-4086, 5962-01-160-4087 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77A100970?

Key specifications for 77A100970: Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Terminal Surface Treatment: SOLDER; Test Data Document: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).; Memory Device Type: ROM. 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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