PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

166890Circuit Card Assembly

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5998-00-618-4757 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-618-4757 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-618-4757. Primary manufacturer part number: 166890.
Features
  • Circuit Card Assembly — FSC 5998
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-618-4757, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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.

Catalog Facts
Item NameCircuit Card Assembly
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 06481); Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (CAGE 56540)
Technical Specifications
ParameterValue
NSN5998-00-618-4757
Primary Part Number166890
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZN
Weight0.1030 lbs
Cube0.0005 cu ft
Verified Substitutes 2
3020-00-370-0381150658 INTERCHANGEABLE
Gear,spur
Telemechanics Inc
2815-00-981-3161 INTERCHANGEABLE
Breather
Cross-Reference Index
Part NumberManufacturer
150658 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
166890 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
166890 Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA)
Related Parts
3020-00-370-0381INTERCHANGEABLE
GEAR,SPUR
150658
2815-00-981-3161INTERCHANGEABLE
BREATHER

Frequently Asked Questions

What is NSN 5998-00-618-4757?

NSN 5998-00-618-4757 is a Circuit Card Assembly, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-618-4757?

NSN 5998-00-618-4757 has 3 cross-referenced part numbers: 150658 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 166890 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 166890 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc).

What NSN replaces 5998-00-618-4757?

There are 2 known substitutes for 5998-00-618-4757: 3020-00-370-0381, 2815-00-981-3161. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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