PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

644026Block Assembly

International Business Machines Corp · NSN 7025-00-225-6576 · FSC 7025 · No Item Name Available
Verified by PartsTable
NSN 7025-00-225-6576 — this item is cataloged by the U.S. Government under National Stock Number 7025-00-225-6576. Primary manufacturer part number: 644026.
Features
  • Block Assembly — FSC 7025
  • 1 verified cross-reference
  • Primary manufacturer: International Business Machines Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block Assembly, cataloged under National Stock Number 7025-00-225-6576, is classified within Federal Supply Class 7025 (No Item Name Available) of the General Purpose ADP Equipment group. The primary manufacturer of record is International Business Machines Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN7025-00-225-6576
Primary Part Number644026
Item NameBlock Assembly
FSC / FSG7025 / 70 — No Item Name Available
ManufacturerInternational Business Machines Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 2
1650-00-788-0705644026 INTERCHANGEABLE
Parts Kit,valve,overhaul
Goodrich Corporation Dba Goodrich Corp
5962-01-026-6055 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
644026 International Business Machines Corp (USA)
Related Parts
1650-00-788-0705INTERCHANGEABLE
PARTS KIT,VALVE,OVERHAUL
644026
5962-01-026-6055INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 7025-00-225-6576?

NSN 7025-00-225-6576 is a Block Assembly, manufactured by International Business Machines Corp, classified under FSC 7025 (No Item Name Available). Status: active.

What are the part numbers for NSN 7025-00-225-6576?

NSN 7025-00-225-6576 has 1 cross-referenced part number: 644026 (International Business Machines Corp).

What NSN replaces 7025-00-225-6576?

There are 2 known substitutes for 7025-00-225-6576: 1650-00-788-0705, 5962-01-026-6055. Verify interchangeability with system specifications before substitution.

What are the specifications of 644026?

Key specifications for 644026: End Item Identification: COMPUTER; End Item Identification: COMPUTER. 2 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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