PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GB46Gear,helical

Wisconsin Motors, Llc · NSN 3020-00-528-7931 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-528-7931 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-528-7931. Primary manufacturer part number: GB46.
Features
  • Gear,helical — FSC 3020
  • Pitch Diameter: 5.7000 INCHES NOMINAL IN
  • Material: IRON CAST OVERALL
  • Style Designator: PROTRUDING HUB, RECESSED BODY
  • Bore Nominal Diameter: 0.751 INCHES BOTH ENDS IN
  • Bore Style: PLAIN BOTH ENDS
  • Tooth Form: STANDARD
  • Teeth Type: SINGLE HELIX
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Iron Cast Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-528-7931, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 23 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-528-7931
Primary Part NumberGB46
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusCANCELLED
Pitch Diameter5.7000 INCHES NOMINAL IN
MaterialIRON CAST OVERALL
Style DesignatorPROTRUDING HUB, RECESSED BODY
Bore Nominal Diameter0.751 INCHES BOTH ENDS IN
Bore StylePLAIN BOTH ENDS
Tooth FormSTANDARD
Teeth TypeSINGLE HELIX
Mounting Hole Nominal Diameter0.3280 INCHES AXIALLY THROUGH BODY FIRST END IN
Face Nominal Width0.8750 INCHES IN
Hub Style DesignatorPLAIN FIRST END
Hardness Rating93.6 ROCKWELL B MINIMUM AND 98.1 ROCKWELL B MAXIMUM OVERALL
Nominal Outside Diameter5.8975 INCHES IN
Tooth DirectionRIGHT
Hub Nominal Diameter2.500 INCHES FIRST END IN
Attachment MethodMOUNTING HOLE
Bolt Hole Circle Nominal Diameter1.375 INCHES AXIALLY THROUGH BODY FIRST END IN
Helix Angle18.7664 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.375 INCHES FIRST END IN
Teeth Quantity54
Pressure Angle20.0000 DEGREES
Mounting Hole Type and Quantity3 PLAIN AXIALLY THROUGH BODY FIRST END
Body Recess Nominal Depth0.313 INCHES SECOND END IN
Body StyleWEBBED, WITH LIGHTENING HOLES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5905-00-102-0029 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-102-3123 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-120-2122GB INTERCHANGEABLE
Resistor,fixed,composition
Rockwell Automation, Inc. Dba Rockwell Automation
5905-00-245-0712 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-279-1717 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-299-1994 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-299-2003 INTERCHANGEABLE
Resistor,fixed,composition
6520-01-433-002916101 INTERCHANGEABLE
Beads,microetcher
Danville Mfg
5365-01-678-327756-334 INTERCHANGEABLE
Ring,dee
Cargotrol Corp
Cross-Reference Index
Part NumberManufacturer
GB46 PRIMARY Wisconsin Motors, Llc (USA)
GB PRIMARY Wisconsin Motors, Llc (USA)
56334 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
5905-00-102-0029INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-102-3123INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-120-2122INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
GB
5905-00-245-0712INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-279-1717INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-299-1994INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-299-2003INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
6520-01-433-0029INTERCHANGEABLE
BEADS,MICROETCHER
16101
5365-01-678-3277INTERCHANGEABLE
RING,DEE
56-334

Frequently Asked Questions

What is NSN 3020-00-528-7931?

NSN 3020-00-528-7931 is a Gear,helical, manufactured by Wisconsin Motors, Llc, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-528-7931?

NSN 3020-00-528-7931 has 3 cross-referenced part numbers: GB46 (Wisconsin Motors, Llc), GB (Wisconsin Motors, Llc), 56334 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 3020-00-528-7931?

There are 9 known substitutes for 3020-00-528-7931: 5905-00-102-0029, 5905-00-102-3123, 5905-00-120-2122 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GB46?

Key specifications for GB46: Pitch Diameter: 5.7000 INCHES NOMINAL IN; Material: IRON CAST OVERALL; Style Designator: PROTRUDING HUB, RECESSED BODY; Bore Nominal Diameter: 0.751 INCHES BOTH ENDS IN. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-528-7931 still in active supply?

NSN 3020-00-528-7931 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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