PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0031-6Circuit Card Assembly

I T S Instrument Corporation Dba Island Technical Service · NSN 5998-00-520-4637 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-520-4637 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-520-4637. Primary manufacturer part number: 0031-6.
Features
  • Circuit Card Assembly — FSC 5998
  • 3 verified cross-references
  • Primary manufacturer: I T S Instrument Corporation Dba Island Technical Service
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-520-4637, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is I T S Instrument Corporation Dba Island Technical Service. This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5998-00-520-4637
Primary Part Number0031-6
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerI T S Instrument Corporation Dba Island Technical Service
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 2
8030-00-118-0666 INTERCHANGEABLE
Corrosion Preventive Compound
4130-01-492-6050642-24N09101 INTERCHANGEABLE
Vacu-Nozzle,rubber
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
0031-6 PRIMARY I T S Instrument Corporation Dba Island Technical Service (USA)
123SAV51390-1 Northrop Grumman Systems Corporation (USA)
123SAV51390-1 Northrop Grumman Systems Corporation (USA)
Related Parts
8030-00-118-0666INTERCHANGEABLE
CORROSION PREVENTIVE COMPOUND
4130-01-492-6050INTERCHANGEABLE
VACU-NOZZLE,RUBBER
642-24N09101

Frequently Asked Questions

What is NSN 5998-00-520-4637?

NSN 5998-00-520-4637 is a Circuit Card Assembly, manufactured by I T S Instrument Corporation Dba Island Technical Service, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-520-4637?

NSN 5998-00-520-4637 has 3 cross-referenced part numbers: 0031-6 (I T S Instrument Corporation Dba Island Technical Service), 123SAV51390-1 (Northrop Grumman Systems Corporation), 123SAV51390-1 (Northrop Grumman Systems Corporation).

What NSN replaces 5998-00-520-4637?

There are 2 known substitutes for 5998-00-520-4637: 8030-00-118-0666, 4130-01-492-6050. Verify interchangeability with system specifications before substitution.

What are the specifications of 0031-6?

Key specifications for 0031-6: Special Features: MOUNTING CONFIGURATION:PLUG-IN MTD; Special Features: MOUNTING CONFIGURATION:PLUG-IN MTD. 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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