PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2677252Circuit Card Assembly

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5998-00-142-5687 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-142-5687 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-142-5687. Primary manufacturer part number: 2677252.
Features
  • Circuit Card Assembly — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-142-5687, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-142-5687
Primary Part Number2677252
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodePH
Weight2.8500 lbs
Cube0.2674 cu ft
Verified Substitutes 3
4730-00-688-7657 INTERCHANGEABLE
Swivel Joint,hydraulic
5331-00-829-25811407-35 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5306-01-088-6834140735 INTERCHANGEABLE
Bolt,internally Relieved Body
Lockheed Martin Corp Electronics and Missiles Div
Cross-Reference Index
Part NumberManufacturer
2677252 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
140735 Northrop Grumman Systems Corporation (USA)
Related Parts
4730-00-688-7657INTERCHANGEABLE
SWIVEL JOINT,HYDRAULIC
5331-00-829-2581INTERCHANGEABLE
O-RING
1407-35
5306-01-088-6834INTERCHANGEABLE
BOLT,INTERNALLY RELIEVED BODY
140735

Frequently Asked Questions

What is NSN 5998-00-142-5687?

NSN 5998-00-142-5687 is a Circuit Card Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-142-5687?

NSN 5998-00-142-5687 has 2 cross-referenced part numbers: 2677252 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 140735 (Northrop Grumman Systems Corporation).

What NSN replaces 5998-00-142-5687?

There are 3 known substitutes for 5998-00-142-5687: 4730-00-688-7657, 5331-00-829-2581, 5306-01-088-6834. Verify interchangeability with system specifications before substitution.

What are the specifications of 2677252?

Key specifications for 2677252: Special Features: MOUNTING CONFIGURATION:PLUG-IN AND RACK MOUNTED; Special Features: MOUNTING CONFIGURATION:PLUG-IN AND RACK MOUNTED. 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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