PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G43-40Gear,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-00-842-9612 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-842-9612 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-842-9612. Primary manufacturer part number: G43-40.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 40
  • Face Nominal Width: 0.188 INCHES IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN
  • Nominal Outside Diameter: 1.313 INCHES IN
  • Hub Nominal Diameter: 0.500 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB
  • Pressure Angle: 20.0000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-842-9612, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-842-9612
Primary Part NumberG43-40
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Teeth Quantity40
Face Nominal Width0.188 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Nominal Outside Diameter1.313 INCHES IN
Hub Nominal Diameter0.500 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Hub Style DesignatorPINNED FIRST END
Bore StylePLAIN BOTH ENDS
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Tooth FormSTANDARD
Pitch Diameter1.2500 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5340-00-282-0049 INTERCHANGEABLE
Plug,expansion
5310-00-760-6589H2940PC18 INTERCHANGEABLE
Nut,steam Turbine
Siemens Energy, Inc.
2825-00-760-6590H2940PC19 INTERCHANGEABLE
Puller,gear
Siemens Energy, Inc.
2825-00-760-6592322102 INTERCHANGEABLE
Box,gear
Siemens Energy, Inc.
5342-00-760-6611KGR217T INTERCHANGEABLE
Bracket,steam Turbine
Siemens Energy, Inc.
3110-00-760-6612KGR298DM INTERCHANGEABLE
Bearing,dummy,steam Sturbine
Siemens Energy, Inc.
3110-00-760-6613KGR298M INTERCHANGEABLE
Bearing,dummy,steam Turbine
Timken Gears & Services Inc. Div Philadelphia Gear
3110-00-760-6618WGR-298D INTERCHANGEABLE
Bearing,dummy,steam Turbine
Timken Gears & Services Inc. Div Philadelphia Gear
3110-00-760-6619KGR298DN INTERCHANGEABLE
Bearing,dummy,steam Turbine
Siemens Energy, Inc.
Cross-Reference Index
Part NumberManufacturer
G43-40 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
P32S28-40 W. M. Berg, Inc. (USA)
443D275H09 Westinghouse Electric Corp (USA)
GP16-40P1 PRIMARY Secs Inc (USA)
443D275H09 Westinghouse Electric Corp Power Generation-Generator Div (USA)
426-5101167 Naval Sea Combat Systems Engineering Station (USA)
H29-40 Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
5340-00-282-0049INTERCHANGEABLE
PLUG,EXPANSION
5310-00-760-6589INTERCHANGEABLE
NUT,STEAM TURBINE
H2940PC18
2825-00-760-6590INTERCHANGEABLE
PULLER,GEAR
H2940PC19
2825-00-760-6592INTERCHANGEABLE
BOX,GEAR
322102
5342-00-760-6611INTERCHANGEABLE
BRACKET,STEAM TURBINE
KGR217T
3110-00-760-6612INTERCHANGEABLE
BEARING,DUMMY,STEAM STURBINE
KGR298DM
3110-00-760-6613INTERCHANGEABLE
BEARING,DUMMY,STEAM TURBINE
KGR298M
3110-00-760-6618INTERCHANGEABLE
BEARING,DUMMY,STEAM TURBINE
WGR-298D
3110-00-760-6619INTERCHANGEABLE
BEARING,DUMMY,STEAM TURBINE
KGR298DN

Frequently Asked Questions

What is NSN 3020-00-842-9612?

NSN 3020-00-842-9612 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 3020-00-842-9612?

NSN 3020-00-842-9612 has 7 cross-referenced part numbers: G43-40 (Roller Bearing Co of America, Inc Div Pic Design), P32S28-40 (W. M. Berg, Inc.), 443D275H09 (Westinghouse Electric Corp), GP16-40P1 (Secs Inc), 443D275H09 (Westinghouse Electric Corp Power Generation-Generator Div) and 2 more.

What NSN replaces 3020-00-842-9612?

There are 9 known substitutes for 3020-00-842-9612: 5340-00-282-0049, 5310-00-760-6589, 2825-00-760-6590 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G43-40?

Key specifications for G43-40: Teeth Quantity: 40; Face Nominal Width: 0.188 INCHES IN; Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN; Nominal Outside Diameter: 1.313 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-842-9612 still in active supply?

NSN 3020-00-842-9612 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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