PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6393920Plenum,air Intake

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 4140-01-512-6230 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-512-6230 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-512-6230. Primary manufacturer part number: 6393920.
Features
  • Plenum,air Intake — FSC 4140
  • 2 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 Plenum,air Intake, cataloged under National Stock Number 4140-01-512-6230, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlenum,air Intake
FSC / FSG4140 — No Item Name Available (FSG 41)
ManufacturersNaval Sea Systems Command (CAGE 53711); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 31442)
Technical Specifications
ParameterValue
NSN4140-01-512-6230
Primary Part Number6393920
Item NamePlenum,air Intake
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6520-01-556-2385639-3920 INTERCHANGEABLE
File,endodontic,rotary
Medidenta International Inc
Cross-Reference Index
Part NumberManufacturer
5793560 FIND 50 Naval Sea Systems Command (USA)
6393920 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
6520-01-556-2385INTERCHANGEABLE
FILE,ENDODONTIC,ROTARY
639-3920

Frequently Asked Questions

What is NSN 4140-01-512-6230?

NSN 4140-01-512-6230 is a Plenum,air Intake, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-512-6230?

NSN 4140-01-512-6230 has 2 cross-referenced part numbers: 5793560 FIND 50 (Naval Sea Systems Command), 6393920 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 4140-01-512-6230?

There is 1 known substitute for 4140-01-512-6230: 6520-01-556-2385. Verify interchangeability with system specifications before substitution.

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