PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B423Circuit Card Assembly

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 5998-01-463-9935 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-463-9935 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-463-9935. Primary manufacturer part number: B423.
Features
  • Circuit Card Assembly — FSC 5998
  • 7 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-463-9935, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 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)
ManufacturersHewlett-Packard Company (CAGE 5B962); Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (CAGE 90536); Hewlett-Packard Company Dba HP (CAGE 28480); Lockheed Martin Corporation Div Rms - Manassas (CAGE 52088)
Technical Specifications
ParameterValue
NSN5998-01-463-9935
Primary Part NumberB423
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeVH
Weight8.5000 lbs
Cube0.3134 cu ft
Verified Substitutes 7
3455-00-232-902958-10143 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4210-00-240-8792 INTERCHANGEABLE
Tip,nozzle,fire Hose
4210-00-240-8796 INTERCHANGEABLE
Tip,nozzle,fire Hose
5325-00-442-5845 INTERCHANGEABLE
Ring,retaining
2990-00-495-0917 INTERCHANGEABLE
Muffler
5365-01-030-9503419366-94 INTERCHANGEABLE
Shim
Raytheon Company Dba Raytheon
4210-01-160-5634S-319 INTERCHANGEABLE
Reducer,hose,fire Fighting
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
A4500-66015-Q70 Hewlett-Packard Company (USA)
79C0174-01 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
B423 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
A4511A-Q70 Hewlett-Packard Company Dba HP (USA)
B423 PRIMARY Lockheed Martin Corporation Div Rms - Manassas (USA)
79C0174-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
79C0174-02 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
3455-00-232-9029INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10143
4210-00-240-8792INTERCHANGEABLE
TIP,NOZZLE,FIRE HOSE
4210-00-240-8796INTERCHANGEABLE
TIP,NOZZLE,FIRE HOSE
5325-00-442-5845INTERCHANGEABLE
RING,RETAINING
2990-00-495-0917INTERCHANGEABLE
MUFFLER
5365-01-030-9503INTERCHANGEABLE
SHIM
419366-94
4210-01-160-5634INTERCHANGEABLE
REDUCER,HOSE,FIRE FIGHTING
S-319

Frequently Asked Questions

What is NSN 5998-01-463-9935?

NSN 5998-01-463-9935 is a Circuit Card Assembly, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-463-9935?

NSN 5998-01-463-9935 has 7 cross-referenced part numbers: A4500-66015-Q70 (Hewlett-Packard Company), 79C0174-01 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), B423 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), A4511A-Q70 (Hewlett-Packard Company Dba HP), B423 (Lockheed Martin Corporation Div Rms - Manassas) and 2 more.

What NSN replaces 5998-01-463-9935?

There are 7 known substitutes for 5998-01-463-9935: 3455-00-232-9029, 4210-00-240-8792, 4210-00-240-8796 and 4 more. Verify interchangeability with system specifications before substitution.

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