PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1340052-138Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-993-6067 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-993-6067 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-993-6067. Primary manufacturer part number: 1340052-138.
Features
  • Gear,spur — FSC 3020
  • Attachment Method: CLAMP
  • Teeth Quantity: 138
  • Pitch Diameter: 1.4375 INCHES NOMINAL IN
  • Body Style: PLAIN, SOLID
  • Style Designator: PROTRUDING HUB
  • Pressure Angle: 20.0000 DEGREES
  • Hub Style Designator: SPLIT FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-993-6067, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-993-6067
Primary Part Number1340052-138
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Attachment MethodCLAMP
Teeth Quantity138
Pitch Diameter1.4375 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
Hub Style DesignatorSPLIT FIRST END
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Nominal Outside Diameter1.456 INCHES IN
Hub Nominal Diameter0.249 INCHES FIRST END IN
Surface TreatmentANODIZE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.292 INCHES FIRST END IN
Face Nominal Width0.094 INCHES IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Bore StylePLAIN BOTH ENDS
MaterialALUMINUM ALLOY 2024 OVERALL
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Tooth FormSTANDARD
Clamping Surface Nominal Length0.265 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3020-00-042-31901340052-160 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-057-87161340052-140 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-764-71421340052PC144 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-770-24861340052PC123 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-919-47411340052-108 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-994-12071340052-92 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6505-01-645-48923847003 INTERCHANGEABLE
Calcium Hydroxide
Henry Schein, Inc.
Cross-Reference Index
Part NumberManufacturer
1340052 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1340052-138 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3020-00-042-3190INTERCHANGEABLE
GEAR,SPUR
1340052-160
3020-00-057-8716INTERCHANGEABLE
GEAR,SPUR
1340052-140
3020-00-764-7142INTERCHANGEABLE
GEAR,SPUR
1340052PC144
3020-00-770-2486INTERCHANGEABLE
GEAR,SPUR
1340052PC123
3020-00-919-4741INTERCHANGEABLE
GEAR,SPUR
1340052-108
3020-00-994-1207INTERCHANGEABLE
GEAR,SPUR
1340052-92
6505-01-645-4892INTERCHANGEABLE
CALCIUM HYDROXIDE
3847003

Frequently Asked Questions

What is NSN 3020-00-993-6067?

NSN 3020-00-993-6067 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 3020-00-993-6067?

NSN 3020-00-993-6067 has 2 cross-referenced part numbers: 1340052 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1340052-138 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-993-6067?

There are 7 known substitutes for 3020-00-993-6067: 3020-00-042-3190, 3020-00-057-8716, 3020-00-764-7142 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1340052-138?

Key specifications for 1340052-138: Attachment Method: CLAMP; Teeth Quantity: 138; Pitch Diameter: 1.4375 INCHES NOMINAL IN; Body Style: PLAIN, SOLID. 20 total characteristics are documented in the Federal Logistics Information System.

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