PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G12-46Gear,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-01-021-6434 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-021-6434 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-021-6434. Primary manufacturer part number: G12-46.
Features
  • Gear,spur — FSC 3020
  • Bore Style: PLAIN BOTH ENDS
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Face Nominal Width: 0.125 INCHES IN
  • Surface Treatment: ANODIZE OVERALL
  • Tooth Form: STANDARD
  • Hub Style Designator: PINNED FIRST END
  • Pressure Angle: 20.0000 DEGREES
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 3020-01-021-6434, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-01-021-6434
Primary Part NumberG12-46
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Bore StylePLAIN BOTH ENDS
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Face Nominal Width0.125 INCHES IN
Surface TreatmentANODIZE OVERALL
Tooth FormSTANDARD
Hub Style DesignatorPINNED FIRST END
Pressure Angle20.0000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.218 INCHES FIRST END IN
Backlash DesignationGRADE C
Nominal Outside Diameter0.750 INCHES IN
Material Document and ClassificationQQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPROTRUDING HUB
Hub Nominal Diameter0.375 INCHES FIRST END IN
MaterialALUMINUM ALLOY 2024 OVERALL
Precision ClassificationQUALITY NUMBER 10
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Teeth Quantity46
Body StylePLAIN, SOLID
Pitch Diameter0.7187 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3020-00-055-2076301-07011P004 INTERCHANGEABLE
Gear,spur
Raytheon Company Dba Raytheon Co
3020-00-618-012464H10C100A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-925-4412G12-54 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
3020-00-973-611464A11-75A64 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-01-008-3052G15-27 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
3020-01-019-8674 INTERCHANGEABLE
Gear,spur
3020-01-024-8212G12-90 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
3020-01-026-8218 INTERCHANGEABLE
Gear,spur
5330-01-066-2614 INTERCHANGEABLE
Packing,special
5330-01-250-527345-0615 INTERCHANGEABLE
Gasket
Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
Cross-Reference Index
Part NumberManufacturer
PG6742-46 Atlas Chain Co
G12-46 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
450518-30REVH Bae Systems Information and Electronic Systems Integration Inc. (USA)
450518 Bae Systems Information and Electronic Systems Integration Inc. (USA)
E22A46 Designatronics Incorporated Div Sterling Instruments Div (USA)
450518-30 Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
3020-00-055-2076INTERCHANGEABLE
GEAR,SPUR
301-07011P004
3020-00-618-0124INTERCHANGEABLE
GEAR,SPUR
64H10C100A6-4
3020-00-925-4412INTERCHANGEABLE
GEAR,SPUR
G12-54
3020-00-973-6114INTERCHANGEABLE
GEAR,SPUR
64A11-75A64
3020-01-008-3052INTERCHANGEABLE
GEAR,SPUR
G15-27
3020-01-019-8674INTERCHANGEABLE
GEAR,SPUR
3020-01-024-8212INTERCHANGEABLE
GEAR,SPUR
G12-90
3020-01-026-8218INTERCHANGEABLE
GEAR,SPUR
5330-01-066-2614INTERCHANGEABLE
PACKING,SPECIAL
5330-01-250-5273INTERCHANGEABLE
GASKET
45-0615

Frequently Asked Questions

What is NSN 3020-01-021-6434?

NSN 3020-01-021-6434 is a Gear,spur, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-01-021-6434?

NSN 3020-01-021-6434 has 6 cross-referenced part numbers: PG6742-46 (Atlas Chain Co), G12-46 (Roller Bearing Co of America, Inc Div Pic Design), 450518-30REVH (Bae Systems Information and Electronic Systems Integration Inc.), 450518 (Bae Systems Information and Electronic Systems Integration Inc.), E22A46 (Designatronics Incorporated Div Sterling Instruments Div) and 1 more.

What NSN replaces 3020-01-021-6434?

There are 10 known substitutes for 3020-01-021-6434: 3020-00-055-2076, 3020-00-618-0124, 3020-00-925-4412 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G12-46?

Key specifications for G12-46: Bore Style: PLAIN BOTH ENDS; Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN; Face Nominal Width: 0.125 INCHES IN; Surface Treatment: ANODIZE OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-01-021-6434 still in active supply?

NSN 3020-01-021-6434 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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