PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

859634-1Circuit Card Assembly

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5998-01-370-3775 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-370-3775 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-370-3775. Primary manufacturer part number: 859634-1.
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 5998-01-370-3775, 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.

Technical Specifications
ParameterValue
NSN5998-01-370-3775
Primary Part Number859634-1
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 CodeT
Unit of IssueEA
SMR CodeVT
Verified Substitutes 2
3120-00-065-5736859634 INTERCHANGEABLE
Bearing
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4030-01-735-871233106 INTERCHANGEABLE
Shackle
Ace Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
859634 Litton Systems Inc Guidance and Control Systems Div (USA)
859634-1 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
859634-1 Litton Systems Inc Guidance and Control Systems Div (USA)
Related Parts
3120-00-065-5736INTERCHANGEABLE
BEARING
859634
4030-01-735-8712INTERCHANGEABLE
SHACKLE
33106

Frequently Asked Questions

What is NSN 5998-01-370-3775?

NSN 5998-01-370-3775 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 5998-01-370-3775?

NSN 5998-01-370-3775 has 3 cross-referenced part numbers: 859634 (Litton Systems Inc Guidance and Control Systems Div), 859634-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 859634-1 (Litton Systems Inc Guidance and Control Systems Div).

What NSN replaces 5998-01-370-3775?

There are 2 known substitutes for 5998-01-370-3775: 3120-00-065-5736, 4030-01-735-8712. Verify interchangeability with system specifications before substitution.

What are the specifications of 859634-1?

Key specifications for 859634-1: Part Name Assigned by Controlling Agency: 3/4ATR COMPUTER POWER SUPPLY; End Item Identification: C-17 FWD/AFT FUSE ELEC EQUIP; Part Name Assigned by Controlling Agency: 3/4ATR COMPUTER POWER SUPPLY; End Item Identification: C-17 FWD/AFT FUSE ELEC EQUIP. 4 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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