PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

233456Test Module Assy

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 4920-00-998-6256 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-998-6256 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-998-6256. Primary manufacturer part number: 233456.
Features
  • Test Module Assy — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Module Assy, cataloged under National Stock Number 4920-00-998-6256, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. This item has 1 commercial cross-reference from 1 manufacturer, 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 NameTest Module Assy
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 06481)
Technical Specifications
ParameterValue
NSN4920-00-998-6256
Primary Part Number233456
Item NameTest Module Assy
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-606-9574HM804810 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
233456 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
3110-00-606-9574INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
HM804810

Frequently Asked Questions

What is NSN 4920-00-998-6256?

NSN 4920-00-998-6256 is a Test Module Assy, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-998-6256?

NSN 4920-00-998-6256 has 1 cross-referenced part number: 233456 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 4920-00-998-6256?

There is 1 known substitute for 4920-00-998-6256: 3110-00-606-9574. Verify interchangeability with system specifications before substitution.

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