PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G12-75Gear,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-00-973-6114 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-973-6114 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-973-6114. Primary manufacturer part number: G12-75.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 1.1718 INCHES NOMINAL IN
  • Body Style: PLAIN, SOLID
  • Hub Style Designator: PINNED FIRST END
  • Bore Style: PLAIN BOTH ENDS
  • Teeth Quantity: 75
  • Hub Nominal Diameter: 0.375 INCHES FIRST END IN
  • Tooth Form: STANDARD
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 3020-00-973-6114, 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 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-973-6114
Primary Part NumberG12-75
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Pitch Diameter1.1718 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Hub Style DesignatorPINNED FIRST END
Bore StylePLAIN BOTH ENDS
Teeth Quantity75
Hub Nominal Diameter0.375 INCHES FIRST END IN
Tooth FormSTANDARD
Nominal Distance Between Body Face and Protruding Hub End0.218 INCHES FIRST END IN
Backlash DesignationGRADE C
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Style DesignatorPROTRUDING HUB
MaterialALUMINUM ALLOY 2024 OVERALL
Face Nominal Width0.125 INCHES IN
Pressure Angle20.0000 DEGREES
Furnished Items and Quantity1 SETSCREW
Nominal Outside Diameter1.203 INCHES IN
Precision ClassificationQUALITY NUMBER 10
Surface TreatmentANODIZE OVERALL
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3020-00-055-2076301-07011P004 INTERCHANGEABLE
Gear,spur
Raytheon Company Dba Raytheon Co
3040-00-145-4270G1275 INTERCHANGEABLE
Shaft,shouldered
Graham Co Inc
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
3020-01-008-3052G15-27 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
3020-01-019-8674 INTERCHANGEABLE
Gear,spur
3020-01-021-6434G12-46 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
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
Cross-Reference Index
Part NumberManufacturer
PG6742-75 Atlas Chain Co
450518-14 Bae Systems Information and Electronic Systems Integration Inc. (USA)
E22A75 Designatronics Incorporated Div Sterling Instruments Div (USA)
44-32472A01 Motorola Inc. Dba Integrated Information Systems Group (USA)
450518 Bae Systems Information and Electronic Systems Integration Inc. (USA)
G12-75 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
64A11-75A64 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
64A11-75A64 PRIMARY Raytheon Co (USA)
450518-14REVH Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
3020-00-055-2076INTERCHANGEABLE
GEAR,SPUR
301-07011P004
3040-00-145-4270INTERCHANGEABLE
SHAFT,SHOULDERED
G1275
3020-00-618-0124INTERCHANGEABLE
GEAR,SPUR
64H10C100A6-4
3020-00-925-4412INTERCHANGEABLE
GEAR,SPUR
G12-54
3020-01-008-3052INTERCHANGEABLE
GEAR,SPUR
G15-27
3020-01-019-8674INTERCHANGEABLE
GEAR,SPUR
3020-01-021-6434INTERCHANGEABLE
GEAR,SPUR
G12-46
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 3020-00-973-6114?

NSN 3020-00-973-6114 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 3020-00-973-6114?

NSN 3020-00-973-6114 has 9 cross-referenced part numbers: PG6742-75 (Atlas Chain Co), 450518-14 (Bae Systems Information and Electronic Systems Integration Inc.), E22A75 (Designatronics Incorporated Div Sterling Instruments Div), 44-32472A01 (Motorola Inc. Dba Integrated Information Systems Group), 450518 (Bae Systems Information and Electronic Systems Integration Inc.) and 4 more.

What NSN replaces 3020-00-973-6114?

There are 11 known substitutes for 3020-00-973-6114: 3020-00-055-2076, 3040-00-145-4270, 3020-00-618-0124 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G12-75?

Key specifications for G12-75: Pitch Diameter: 1.1718 INCHES NOMINAL IN; Body Style: PLAIN, SOLID; Hub Style Designator: PINNED FIRST END; Bore Style: PLAIN BOTH ENDS. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-973-6114 still in active supply?

NSN 3020-00-973-6114 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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