PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1609420Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-609-3297 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-609-3297 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-609-3297. Primary manufacturer part number: 1609420.
Features
  • Gear,spur — FSC 3020
  • Nominal Distance Between Body Face and Protruding Hub End: 0.125 INCHES FIRST END IN
  • Face Nominal Width: 0.500 INCHES IN
  • Hub Style Designator: PLAIN FIRST END
  • Material: STEEL COMP 4140 OVERALL
  • Tooth Form: STANDARD
  • Mounting Hole Type and Quantity: 6 COUNTERSUNK AND 1 PLAIN AXIALLY THROUGH BODY FIRST END
  • Hub Nominal Diameter: 10.250 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-609-3297, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-609-3297
Primary Part Number1609420
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Nominal Distance Between Body Face and Protruding Hub End0.125 INCHES FIRST END IN
Face Nominal Width0.500 INCHES IN
Hub Style DesignatorPLAIN FIRST END
MaterialSTEEL COMP 4140 OVERALL
Tooth FormSTANDARD
Mounting Hole Type and Quantity6 COUNTERSUNK AND 1 PLAIN AXIALLY THROUGH BODY FIRST END
Hub Nominal Diameter10.250 INCHES FIRST END IN
Teeth Quantity176
Body StyleWEBBED, OFFSET, SOLID
Pitch Diameter11.0000 INCHES NOMINAL IN
Surface TreatmentPHOSPHATE OVERALL
Nominal Outside Diameter11.124 INCHES IN
Style DesignatorPROTRUDING HUB, RECESSED BODY
Surface Treatment Document and ClassificationMIL-P-16232,TYPE 1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Bore Nominal Diameter6.250 INCHES BOTH ENDS IN
Attachment MethodMOUNTING HOLE
Hardness Rating200.0 BRINELL STANDARD MINIMUM AND 250.0 BRINELL STANDARD MAXIMUM OVERALL
Mounting Hole Nominal Diameter0.359 INCHES AXIALLY THROUGH BODY FIRST END IN
Pressure Angle20.0000 DEGREES
Body Recess Nominal Depth0.125 INCHES SECOND END IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Bolt Hole Circle Nominal Diameter8.250 INCHES AXIALLY THROUGH BODY FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-137-9239SAE J530 4-4 130238B INTERCHANGEABLE
Elbow,pipe
Sae International Dba Sae International
6532-01-697-3427KOF 99MT 50PC INTERCHANGEABLE
Mask,face,aseptic
Southwest Synergistic Solutions, Llc Dba Southwest Synergistic Solutions
Cross-Reference Index
Part NumberManufacturer
1609420 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4730-00-137-9239INTERCHANGEABLE
ELBOW,PIPE
SAE J530 4-4 130238B
6532-01-697-3427INTERCHANGEABLE
MASK,FACE,ASEPTIC
KOF 99MT 50PC

Frequently Asked Questions

What is NSN 3020-00-609-3297?

NSN 3020-00-609-3297 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-609-3297?

NSN 3020-00-609-3297 has 1 cross-referenced part number: 1609420 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-609-3297?

There are 2 known substitutes for 3020-00-609-3297: 4730-00-137-9239, 6532-01-697-3427. Verify interchangeability with system specifications before substitution.

What are the specifications of 1609420?

Key specifications for 1609420: Nominal Distance Between Body Face and Protruding Hub End: 0.125 INCHES FIRST END IN; Face Nominal Width: 0.500 INCHES IN; Hub Style Designator: PLAIN FIRST END; Material: STEEL COMP 4140 OVERALL. 23 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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