PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40225-1Sprocket Wheel

Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc · NSN 3020-01-203-4509 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-203-4509 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-203-4509. Primary manufacturer part number: 40225-1.
Features
  • Sprocket Wheel — FSC 3020
  • Keying Facility Type: KEYWAY
  • Hardness Rating Test Method: NOT RATED
  • Bore Diameter: 0.500 INCHES NOMINAL IN
  • Furnished Items: KEYING FACILITY
  • Teeth Quantity Per Row: 17
  • Tooth Pitch: 0.375 INCHES NOMINAL IN
  • Face Width: 1.375 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Sprocket Wheel, cataloged under National Stock Number 3020-01-203-4509, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN3020-01-203-4509
Primary Part Number40225-1
Item NameSprocket Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMeggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
StatusACTIVE
Keying Facility TypeKEYWAY
Hardness Rating Test MethodNOT RATED
Bore Diameter0.500 INCHES NOMINAL IN
Furnished ItemsKEYING FACILITY
Teeth Quantity Per Row17
Tooth Pitch0.375 INCHES NOMINAL IN
Face Width1.375 INCHES NOMINAL IN
Distance From Center of Bore to Bottom of Keyway0.125 INCHES NOMINAL IN
Surface TreatmentCADMIUM
Quantity1
Bore Length1.000 INCHES NOMINAL IN
Design FormPLAIN
Keyway Width0.250 INCHES NOMINAL IN
Pitch Diameter2.041 INCHES NOMINAL IN
Style DesignatorPLAIN
Outside Diameter2.230 INCHES NOMINAL IN
Bore TypeSTRAIGHT
MaterialSTEEL
Teeth Row Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-914-341415294 INTERCHANGEABLE
Transformer,audio Frequency
Torotel, Inc. Div Torotel Products, Inc.
Cross-Reference Index
Part NumberManufacturer
40225-1 PRIMARY Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA)
Related Parts
5950-00-914-3414INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
15294

Frequently Asked Questions

What is NSN 3020-01-203-4509?

NSN 3020-01-203-4509 is a Sprocket Wheel, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-203-4509?

NSN 3020-01-203-4509 has 1 cross-referenced part number: 40225-1 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).

What NSN replaces 3020-01-203-4509?

There is 1 known substitute for 3020-01-203-4509: 5950-00-914-3414. Verify interchangeability with system specifications before substitution.

What are the specifications of 40225-1?

Key specifications for 40225-1: Keying Facility Type: KEYWAY; Hardness Rating Test Method: NOT RATED; Bore Diameter: 0.500 INCHES NOMINAL IN; Furnished Items: KEYING FACILITY. 20 total characteristics are documented in the Federal Logistics Information System.

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