PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23745Test Unit

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 4920-01-201-9797 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-201-9797 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-201-9797. Primary manufacturer part number: 23745.
Features
  • Test Unit — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Unit, cataloged under National Stock Number 4920-01-201-9797, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTest Unit
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersSmiths Aerospace, Inc., Electronic Systems-Grand Rapids (CAGE 30377)
Technical Specifications
ParameterValue
NSN4920-01-201-9797
Primary Part Number23745
Item NameTest Unit
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-231-873440203 INTERCHANGEABLE
Link,roller Chain
Allianz Sweeper Company
5935-00-236-480123745 INTERCHANGEABLE
Connector,receptacle,electrical
Emcore Corporation Div Concord Division
5365-00-684-196923745 INTERCHANGEABLE
Spacer,ring
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5210-01-249-036823745 INTERCHANGEABLE
Indicator,fuel Pump Advance
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5340-01-303-4049023745 INTERCHANGEABLE
Rod,straight,headless
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
23745 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
3020-00-231-8734INTERCHANGEABLE
LINK,ROLLER CHAIN
40203
5935-00-236-4801INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
23745
5365-00-684-1969INTERCHANGEABLE
SPACER,RING
23745
5210-01-249-0368INTERCHANGEABLE
INDICATOR,FUEL PUMP ADVANCE
23745
5340-01-303-4049INTERCHANGEABLE
ROD,STRAIGHT,HEADLESS
023745

Frequently Asked Questions

What is NSN 4920-01-201-9797?

NSN 4920-01-201-9797 is a Test Unit, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-201-9797?

NSN 4920-01-201-9797 has 1 cross-referenced part number: 23745 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 4920-01-201-9797?

There are 5 known substitutes for 4920-01-201-9797: 3020-00-231-8734, 5935-00-236-4801, 5365-00-684-1969 and 2 more. Verify interchangeability with system specifications before substitution.

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