PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5326Computer Subassembly

International Business Machines Corporation Dba IBM · NSN 7021-01-555-4639 · FSC 7021 · Computer,digital
Verified by PartsTable
NSN 7021-01-555-4639 — this item is cataloged by the U.S. Government under National Stock Number 7021-01-555-4639. Primary manufacturer part number: 5326.
Features
  • Computer Subassembly — FSC 7021
  • 2 verified cross-references
  • Primary manufacturer: International Business Machines Corporation Dba IBM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Computer Subassembly, cataloged under National Stock Number 7021-01-555-4639, is classified within Federal Supply Class 7021 (Computer,digital) of the General Purpose ADP Equipment group. The primary manufacturer of record is International Business Machines Corporation Dba IBM. This item has 2 commercial cross-references from 2 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
NSN7021-01-555-4639
Primary Part Number5326
Item NameComputer Subassembly
FSC / FSG7021 / 70 — Computer,digital
ManufacturerInternational Business Machines Corporation Dba IBM
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2805-00-097-0813 INTERCHANGEABLE
Retainer,spring
5940-00-264-9099 INTERCHANGEABLE
Splice,conductor
5910-00-358-67115326 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Champion Aerospace Llc
2520-00-425-71215326 INTERCHANGEABLE
Rod Gear Shifter
Eaton Corp Transmission Div
5950-00-548-0491S6202-3226697 INTERCHANGEABLE
Transformer,power
Naval Ship Systems Command
6120-01-274-6155 INTERCHANGEABLE
Transformer,power
6515-01-389-98675326 INTERCHANGEABLE
Catheter,ureteral
Coloplast Corp
6145-01-406-55525326C INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
5120-01-428-4671 INTERCHANGEABLE
Socket,socket Wrench
5320-01-491-968653-26 INTERCHANGEABLE
Rivet Assortment
Us Air Tool Co., Inc.
Cross-Reference Index
Part NumberManufacturer
5326 PRIMARY International Business Machines Corporation Dba IBM (USA)
9111-285-5326 Lockheed Martin Services, Llc (USA)
Related Parts
2805-00-097-0813INTERCHANGEABLE
RETAINER,SPRING
5940-00-264-9099INTERCHANGEABLE
SPLICE,CONDUCTOR
5910-00-358-6711INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5326
2520-00-425-7121INTERCHANGEABLE
ROD GEAR SHIFTER
5326
5950-00-548-0491INTERCHANGEABLE
TRANSFORMER,POWER
S6202-3226697
6120-01-274-6155INTERCHANGEABLE
TRANSFORMER,POWER
6515-01-389-9867INTERCHANGEABLE
CATHETER,URETERAL
5326
6145-01-406-5552INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5326C
5120-01-428-4671INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5320-01-491-9686INTERCHANGEABLE
RIVET ASSORTMENT
53-26
5950-01-621-1449INTERCHANGEABLE
TRANSFORMER,POWER
4730-01-661-2891INTERCHANGEABLE
SAMM MODULE ADAPTOR
5326

Frequently Asked Questions

What is NSN 7021-01-555-4639?

NSN 7021-01-555-4639 is a Computer Subassembly, manufactured by International Business Machines Corporation Dba IBM, classified under FSC 7021 (Computer,digital). Status: active.

What are the part numbers for NSN 7021-01-555-4639?

NSN 7021-01-555-4639 has 2 cross-referenced part numbers: 5326 (International Business Machines Corporation Dba IBM), 9111-285-5326 (Lockheed Martin Services, Llc).

What NSN replaces 7021-01-555-4639?

There are 12 known substitutes for 7021-01-555-4639: 2805-00-097-0813, 5940-00-264-9099, 5910-00-358-6711 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5326?

Key specifications for 5326: Part Name Assigned by Controlling Agency: 1-CORE 2.1 GHZ POWER5+ PROC CARD 36 MB L3 CACHE MB; End Item Identification: ENROUTE AUTOMATION MODERNIZATION. 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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