PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G12-54Gear,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-00-925-4412 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-925-4412 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-925-4412. Primary manufacturer part number: G12-54.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 54
  • Hub Nominal Diameter: 0.375 INCHES FIRST END IN
  • Body Style: PLAIN, SOLID
  • Pitch Diameter: 0.8430 INCHES MINIMUM AND 0.8440 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Precision Classification: QUALITY NUMBER 10
  • Style Designator: PROTRUDING HUB
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 3020-00-925-4412, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN3020-00-925-4412
Primary Part NumberG12-54
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Teeth Quantity54
Hub Nominal Diameter0.375 INCHES FIRST END IN
Body StylePLAIN, SOLID
Pitch Diameter0.8430 INCHES MINIMUM AND 0.8440 INCHES MAXIMUM IN
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Precision ClassificationQUALITY NUMBER 10
Style DesignatorPROTRUDING HUB
Face Nominal Width0.125 INCHES IN
Surface TreatmentANODIZE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Pressure Angle20.0000 DEGREES
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.218 INCHES FIRST END IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Nominal Outside Diameter0.874 INCHES IN
Hub Style DesignatorPINNED FIRST END
Tooth FormSTANDARD
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
3020-00-973-611464A11-75A64 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
3020-01-021-6434G12-46 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
5330-01-250-527345-0615 INTERCHANGEABLE
Gasket
Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
Cross-Reference Index
Part NumberManufacturer
G12-54 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
450518-19 Bae Systems Information and Electronic Systems Integration Inc. (USA)
450518 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
3020-00-973-6114INTERCHANGEABLE
GEAR,SPUR
64A11-75A64
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 3020-00-925-4412?

NSN 3020-00-925-4412 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 3020-00-925-4412?

NSN 3020-00-925-4412 has 3 cross-referenced part numbers: G12-54 (Roller Bearing Co of America, Inc Div Pic Design), 450518-19 (Bae Systems Information and Electronic Systems Integration Inc.), 450518 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 3020-00-925-4412?

There are 10 known substitutes for 3020-00-925-4412: 3020-00-055-2076, 3020-00-618-0124, 3020-00-973-6114 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G12-54?

Key specifications for G12-54: Teeth Quantity: 54; Hub Nominal Diameter: 0.375 INCHES FIRST END IN; Body Style: PLAIN, SOLID; Pitch Diameter: 0.8430 INCHES MINIMUM AND 0.8440 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-925-4412 still in active supply?

NSN 3020-00-925-4412 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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