PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44-129-3Microcircuit,memory

Celtech Corporation · NSN 5962-01-364-4531 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-364-4531 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-364-4531. Primary manufacturer part number: 44-129-3.
Features
  • Microcircuit,memory — FSC 5962
  • Features Provided: PROGRAMMED
  • Terminal Type and Quantity: 28 PRINTED CIRCUIT
  • Specification/standard Data: 96906-MIL-STD-454L GOVERNMENT STANDARD
  • Test Data Document: 65552-44-129-3 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Memory Device Type: EPROM
  • 4 verified cross-references
  • Primary manufacturer: Celtech Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-364-4531, 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 Celtech Corporation. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-364-4531
Primary Part Number44-129-3
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerCeltech Corporation
StatusACTIVE
Features ProvidedPROGRAMMED
Terminal Type and Quantity28 PRINTED CIRCUIT
Specification/standard Data96906-MIL-STD-454L GOVERNMENT STANDARD
Test Data Document65552-44-129-3 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Memory Device TypeEPROM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5826-00-090-3491667857 INTERCHANGEABLE
Mounting,plate
Raytheon Company
5305-00-894-3275 INTERCHANGEABLE
Screw,machine
2995-01-206-7995 INTERCHANGEABLE
Rod,piston,hydraulic Accumulator
5962-01-364-452044-127-1 INTERCHANGEABLE
Microcircuit,memory
Celtech Corporation
5962-01-364-452144-128-1 INTERCHANGEABLE
Microcircuit,memory
Celtech Corporation
5962-01-364-452244-129-1 INTERCHANGEABLE
Microcircuit,memory
Celtech Corporation
5962-01-364-452344-130-1 INTERCHANGEABLE
Microcircuit,memory
Celtech Corporation
5962-01-364-452444-127-3 INTERCHANGEABLE
Microcircuit,memory
Leonardo Us Cyber and Security Solutions, Llc
5962-01-364-452544-128-3 INTERCHANGEABLE
Microcircuit,memory
Celtech Corporation
5962-01-364-452644-129-2 INTERCHANGEABLE
Microcircuit,memory
Celtech Corporation
Cross-Reference Index
Part NumberManufacturer
ROM/PROM Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
D27C256-1 Intel Corp Field Sales Office FS020 (USA)
218-104 Celtech Corporation (USA)
44-129-3 PRIMARY Celtech Corporation (USA)
Related Parts
5826-00-090-3491INTERCHANGEABLE
MOUNTING,PLATE
667857
5305-00-894-3275INTERCHANGEABLE
SCREW,MACHINE
2995-01-206-7995INTERCHANGEABLE
ROD,PISTON,HYDRAULIC ACCUMULATOR
5962-01-364-4520INTERCHANGEABLE
MICROCIRCUIT,MEMORY
44-127-1
5962-01-364-4521INTERCHANGEABLE
MICROCIRCUIT,MEMORY
44-128-1
5962-01-364-4522INTERCHANGEABLE
MICROCIRCUIT,MEMORY
44-129-1
5962-01-364-4523INTERCHANGEABLE
MICROCIRCUIT,MEMORY
44-130-1
5962-01-364-4524INTERCHANGEABLE
MICROCIRCUIT,MEMORY
44-127-3
5962-01-364-4525INTERCHANGEABLE
MICROCIRCUIT,MEMORY
44-128-3
5962-01-364-4526INTERCHANGEABLE
MICROCIRCUIT,MEMORY
44-129-2
5962-01-364-4527INTERCHANGEABLE
MICROCIRCUIT,MEMORY
44-130-2
5962-01-364-4528INTERCHANGEABLE
MICROCIRCUIT,MEMORY
44-132

Frequently Asked Questions

What is NSN 5962-01-364-4531?

NSN 5962-01-364-4531 is a Microcircuit,memory, manufactured by Celtech Corporation, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-364-4531?

NSN 5962-01-364-4531 has 4 cross-referenced part numbers: ROM/PROM (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), D27C256-1 (Intel Corp Field Sales Office FS020), 218-104 (Celtech Corporation), 44-129-3 (Celtech Corporation).

What NSN replaces 5962-01-364-4531?

There are 12 known substitutes for 5962-01-364-4531: 5826-00-090-3491, 5305-00-894-3275, 2995-01-206-7995 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44-129-3?

Key specifications for 44-129-3: Part Name Assigned by Controlling Agency: E-PROM CONFIGURATION T20B LO; Features Provided: PROGRAMMED; Terminal Type and Quantity: 28 PRINTED CIRCUIT; Specification/standard Data: 96906-MIL-STD-454L GOVERNMENT STANDARD. 7 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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