PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1197240Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-051-6402 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-051-6402 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-051-6402. Primary manufacturer part number: 1197240.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 24
  • Pressure Angle: 20.0000 DEGREES
  • Pitch Diameter: 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Attachment Method: MOUNTING HOLE
  • Flange Nominal Thickness: 0.060 INCHES IN
  • Bore Style: PLAIN BOTH ENDS
  • Hub Nominal Diameter: 0.400 INCHES BETWEEN BODY AND FLANGE IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-051-6402, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-051-6402
Primary Part Number1197240
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Teeth Quantity24
Pressure Angle20.0000 DEGREES
Pitch Diameter0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Attachment MethodMOUNTING HOLE
Flange Nominal Thickness0.060 INCHES IN
Bore StylePLAIN BOTH ENDS
Hub Nominal Diameter0.400 INCHES BETWEEN BODY AND FLANGE IN
Tooth FormSTANDARD
Hub Style DesignatorPLAIN FIRST END
Pilot Nominal Diameter0.4000 INCHES IN
Bolt Hole Circle Nominal Diameter0.500 INCHES AXIALLY THROUGH FLANGE IN
Face Nominal Width0.095 INCHES IN
Hub Nominal Diameter0.400 INCHES FIRST END IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Mounting Hole Nominal Diameter0.043 INCHES AXIALLY THROUGH BODY FIRST END IN
Pilot Nominal Length0.280 INCHES IN
Nominal Distance Between Outer Body Face and Inner Flange Face0.5000 INCHES IN
MaterialALUMINUM ALLOY 6061 OVERALL
Nominal Outside Diameter0.541 INCHES IN
Body StylePLAIN, SOLID
Flange Nominal Diameter0.690 INCHES IN
Mounting Hole Type and Quantity1 PLAIN AXIALLY THROUGH FLANGE
Style DesignatorFLANGED END WITH PILOT
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5962-01-223-750741587 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5930-01-326-922841587 INTERCHANGEABLE
Switch,push
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
5120-01-406-7732 INTERCHANGEABLE
Screwdriver,flat Tip
3040-01-476-454041587 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
41-587 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1197240 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5962-01-223-7507INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41587
5930-01-326-9228INTERCHANGEABLE
SWITCH,PUSH
41587
5120-01-406-7732INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
3040-01-476-4540INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
41587

Frequently Asked Questions

What is NSN 3020-00-051-6402?

NSN 3020-00-051-6402 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 3020-00-051-6402?

NSN 3020-00-051-6402 has 2 cross-referenced part numbers: 41-587 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1197240 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-051-6402?

There are 4 known substitutes for 3020-00-051-6402: 5962-01-223-7507, 5930-01-326-9228, 5120-01-406-7732 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1197240?

Key specifications for 1197240: Teeth Quantity: 24; Pressure Angle: 20.0000 DEGREES; Pitch Diameter: 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Attachment Method: MOUNTING HOLE. 25 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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