PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

647-2Gear,worm Wheel

J C Products Co · NSN 3020-00-784-6766 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-784-6766 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-784-6766. Primary manufacturer part number: 647-2.
Features
  • Gear,worm Wheel — FSC 3020
  • Teeth Quantity: 74
  • Tooth Direction: LEFT
  • Bore Style: PLAIN BOTH ENDS
  • Helix Angle: 3.5833 DEGREES
  • Throat Nominal Radius: 0.375 INCHES IN
  • Material: COPPER ALLOY OVERALL
  • Mating Thread Lead Quantity: 1
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,worm Wheel, cataloged under National Stock Number 3020-00-784-6766, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is J C Products Co. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-784-6766
Primary Part Number647-2
Item NameGear,worm Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerJ C Products Co
StatusACTIVE
Teeth Quantity74
Tooth DirectionLEFT
Bore StylePLAIN BOTH ENDS
Helix Angle3.5833 DEGREES
Throat Nominal Radius0.375 INCHES IN
MaterialCOPPER ALLOY OVERALL
Mating Thread Lead Quantity1
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.225 INCHES FIRST END IN
Hub Style DesignatorPINNED FIRST END
Pressure Angle14.5000 DEGREES
Face Nominal Width0.250 INCHES IN
Pitch Diameter1.5000 INCHES NOMINAL IN
Nominal Outside Diameter1.594 INCHES IN
Body StylePLAIN, SOLID
Style DesignatorPROTRUDING HUB
Face TypeCONCAVE
Hub Nominal Diameter0.500 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3020-00-025-6683 INTERCHANGEABLE
Gear,drive Motion
5910-00-113-36116472 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Knowles Cazenovia, Inc. Div Johanson Manufacturing
2520-00-352-4546 INTERCHANGEABLE
Shaft and Gear
5305-00-449-23476472 INTERCHANGEABLE
Screw,adjusting Rel
Huck International, Inc. Div Kingston Operations
4730-01-034-86156472 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
7920-01-069-67916472 INTERCHANGEABLE
Holder,pad,cleaning
3m Company
5945-01-299-3682DSRR2T1 INTERCHANGEABLE
Relay,electromagnetic
Edro Corporation, the Dba Edro Corp
5950-01-516-48534000-47 INTERCHANGEABLE
Transformer,power
Radeco, Inc. Dba Radeco Inc
6630-01-562-3969 INTERCHANGEABLE
Liner,waste Receptacle
5340-01-647-3959 INTERCHANGEABLE
Bracket,mounting
Cross-Reference Index
Part NumberManufacturer
647-2 J C Products Co (USA)
Related Parts
3020-00-025-6683INTERCHANGEABLE
GEAR,DRIVE MOTION
5910-00-113-3611INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
6472
2520-00-352-4546INTERCHANGEABLE
SHAFT AND GEAR
5305-00-449-2347INTERCHANGEABLE
SCREW,ADJUSTING REL
6472
4730-01-034-8615INTERCHANGEABLE
CLAMP,HOSE
6472
7920-01-069-6791INTERCHANGEABLE
HOLDER,PAD,CLEANING
6472
5945-01-299-3682INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
DSRR2T1
5950-01-516-4853INTERCHANGEABLE
TRANSFORMER,POWER
4000-47
6630-01-562-3969INTERCHANGEABLE
LINER,WASTE RECEPTACLE
5340-01-647-3959INTERCHANGEABLE
BRACKET,MOUNTING

Frequently Asked Questions

What is NSN 3020-00-784-6766?

NSN 3020-00-784-6766 is a Gear,worm Wheel, manufactured by J C Products Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-784-6766?

NSN 3020-00-784-6766 has 1 cross-referenced part number: 647-2 (J C Products Co).

What NSN replaces 3020-00-784-6766?

There are 10 known substitutes for 3020-00-784-6766: 3020-00-025-6683, 5910-00-113-3611, 2520-00-352-4546 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 647-2?

Key specifications for 647-2: Teeth Quantity: 74; Tooth Direction: LEFT; Bore Style: PLAIN BOTH ENDS; Helix Angle: 3.5833 DEGREES. 18 total characteristics are documented in the Federal Logistics Information System.

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