PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VM27C256KMB-25Microcircuit,memory

V L S I Technology Inc · NSN 5962-01-261-9626 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-261-9626 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-261-9626. Primary manufacturer part number: VM27C256KMB-25.
Features
  • Microcircuit,memory — FSC 5962
  • Inclosure Material: CERAMIC
  • Body Length: 0.550 INCHES MAXIMUM IN
  • Features Provided: MONOLITHIC AND ULTRAVIOLET ERASABLE AND PROGRAMMABLE
  • Maximum Power Dissipation Rating: 275.0 MILLIWATTS
  • Case Outline Source and Designator: C-12 MIL-M-38510
  • Terminal Surface Treatment: SOLDER
  • Test Data Document: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-261-9626, 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 V L S I Technology Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN5962-01-261-9626
Primary Part NumberVM27C256KMB-25
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerV L S I Technology Inc
StatusACTIVE
Inclosure MaterialCERAMIC
Body Length0.550 INCHES MAXIMUM IN
Features ProvidedMONOLITHIC AND ULTRAVIOLET ERASABLE AND PROGRAMMABLE
Maximum Power Dissipation Rating275.0 MILLIWATTS
Case Outline Source and DesignatorC-12 MIL-M-38510
Terminal Surface TreatmentSOLDER
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Terminal Type and Quantity32 PIN
Current Rating Per Characteristic25.00 MILLIAMPERES MAXIMUM SUPPLY
Voltage Rating and Type Per Characteristic14.0 VOLTS NOMINAL TOTAL SUPPLY
Memory Device TypeEPROM
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Input Circuit Pattern23 INPUT
Body Width0.450 INCHES MAXIMUM IN
Body Height0.120 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Inclosure ConfigurationDUAL-IN-LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-01-261-9625 INTERCHANGEABLE
Microcircuit,memory
5962-01-261-9627 INTERCHANGEABLE
Microcircuit,memory
5962-01-262-9858 INTERCHANGEABLE
Microcircuit,memory
5962-01-319-5842 INTERCHANGEABLE
Microcircuit,memory
5962-01-329-7165 INTERCHANGEABLE
Microcircuit,memory
5962-01-352-1006 INTERCHANGEABLE
Microcircuit,memory
5962-01-370-5497170217-05 INTERCHANGEABLE
Microcircuit,memory
Ge Aviation Systems Llc
5962-01-370-5500170217-04 INTERCHANGEABLE
Microcircuit,memory
Ge Aviation Systems Llc
5962-01-371-3742 INTERCHANGEABLE
Microcircuit,memory
5962-01-381-8974170217-06 INTERCHANGEABLE
Microcircuit,memory
Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
VM27C256KMB-25 V L S I Technology Inc (USA)
5962-86063 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8606302YX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8606302YA Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8606302YB Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
ROM/PROM Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
LM27C256-250 Seeq Technology Inc (USA)
Related Parts
5962-01-261-9625INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-261-9627INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-262-9858INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-319-5842INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-329-7165INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-352-1006INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-370-5497INTERCHANGEABLE
MICROCIRCUIT,MEMORY
170217-05
5962-01-370-5500INTERCHANGEABLE
MICROCIRCUIT,MEMORY
170217-04
5962-01-371-3742INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-381-8974INTERCHANGEABLE
MICROCIRCUIT,MEMORY
170217-06
5962-01-389-7020INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-447-1528INTERCHANGEABLE
MICROCIRCUIT,MEMORY

Frequently Asked Questions

What is NSN 5962-01-261-9626?

NSN 5962-01-261-9626 is a Microcircuit,memory, manufactured by V L S I Technology Inc, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-261-9626?

NSN 5962-01-261-9626 has 7 cross-referenced part numbers: VM27C256KMB-25 (V L S I Technology Inc), 5962-86063 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 5962-8606302YX (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 5962-8606302YA (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 5962-8606302YB (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit) and 2 more.

What NSN replaces 5962-01-261-9626?

There are 12 known substitutes for 5962-01-261-9626: 5962-01-261-9625, 5962-01-261-9627, 5962-01-262-9858 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of VM27C256KMB-25?

Key specifications for VM27C256KMB-25: Inclosure Material: CERAMIC; Body Length: 0.550 INCHES MAXIMUM IN; Features Provided: MONOLITHIC AND ULTRAVIOLET ERASABLE AND PROGRAMMABLE; Maximum Power Dissipation Rating: 275.0 MILLIWATTS. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com