PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1676720Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-849-3109 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-849-3109 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-849-3109. Primary manufacturer part number: 1676720.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, WITH LIGHTENING HOLES
  • Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Teeth Quantity: 66
  • Surface Treatment: PHOSPHATE ZINC OVERALL
  • Material: STEEL OVERALL
  • Mounting Hole Thread Quantity Per Inch: 32 TRANSVERSELY THROUGH HUB FIRST END
  • Face Nominal Width: 0.187 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-849-3109, 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 17 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
NSN3020-00-849-3109
Primary Part Number1676720
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Body StylePLAIN, WITH LIGHTENING HOLES
Material Document and ClassificationQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Teeth Quantity66
Surface TreatmentPHOSPHATE ZINC OVERALL
MaterialSTEEL OVERALL
Mounting Hole Thread Quantity Per Inch32 TRANSVERSELY THROUGH HUB FIRST END
Face Nominal Width0.187 INCHES IN
Mounting Hole Type and Quantity1 THREADED TRANSVERSELY THROUGH HUB FIRST END
Pressure Angle20.0000 DEGREES
Hardness Rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Bore Nominal Diameter0.313 INCHES BOTH ENDS IN
Tooth FormSTANDARD
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Surface Treatment Document and ClassificationMIL-C-16232 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Style DesignatorPROTRUDING HUB
Attachment MethodMOUNTING HOLE
Pitch Diameter2.7500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6520-01-700-742081308 INTERCHANGEABLE
Ultrasonic Prophylaxis Unit,dent
Dentsply North America Llc
Cross-Reference Index
Part NumberManufacturer
1676720 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
6520-01-700-7420INTERCHANGEABLE
ULTRASONIC PROPHYLAXIS UNIT,DENT
81308

Frequently Asked Questions

What is NSN 3020-00-849-3109?

NSN 3020-00-849-3109 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 3020-00-849-3109?

NSN 3020-00-849-3109 has 1 cross-referenced part number: 1676720 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-849-3109?

There is 1 known substitute for 3020-00-849-3109: 6520-01-700-7420. Verify interchangeability with system specifications before substitution.

What are the specifications of 1676720?

Key specifications for 1676720: Body Style: PLAIN, WITH LIGHTENING HOLES; Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Teeth Quantity: 66; Surface Treatment: PHOSPHATE ZINC OVERALL. 17 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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