PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

233457Test Module Assy

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 4920-00-998-6257 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-998-6257 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-998-6257. Primary manufacturer part number: 233457.
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 4920-00-998-6257, 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. 2 verified substitutes exist 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
NSN4920-00-998-6257
Primary Part Number233457
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 2
1560-00-083-778823-3457 INTERCHANGEABLE
Plate,structural,aircraft
The Boeing Company Div Defense
3110-00-100-31010051438-0 INTERCHANGEABLE
Cone and Rollers,tapered Roller
New Holland Construction
Cross-Reference Index
Part NumberManufacturer
233457 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
1560-00-083-7788INTERCHANGEABLE
PLATE,STRUCTURAL,AIRCRAFT
23-3457
3110-00-100-3101INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
0051438-0

Frequently Asked Questions

What is NSN 4920-00-998-6257?

NSN 4920-00-998-6257 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 4920-00-998-6257?

NSN 4920-00-998-6257 has 1 cross-referenced part number: 233457 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 4920-00-998-6257?

There are 2 known substitutes for 4920-00-998-6257: 1560-00-083-7788, 3110-00-100-3101. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com