PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4675792-0006Gear,spur

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 3020-01-191-6675 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-191-6675 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-191-6675. Primary manufacturer part number: 4675792-0006.
Features
  • Gear,spur — FSC 3020
  • Style Designator: PROTRUDING HUB
  • Body Style: PLAIN, SOLID
  • Hub Nominal Diameter: 2.500 INCHES FIRST END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.660 INCHES FIRST END IN
  • Bore Nominal Diameter: 1.538 INCHES BOTH ENDS IN
  • Pressure Angle: 20.0000 DEGREES
  • Bore Style: W/ KEYWAY BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-191-6675, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-191-6675
Primary Part Number4675792-0006
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Style DesignatorPROTRUDING HUB
Body StylePLAIN, SOLID
Hub Nominal Diameter2.500 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.660 INCHES FIRST END IN
Bore Nominal Diameter1.538 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
Bore StyleW/ KEYWAY BOTH ENDS
MaterialCOPPER ALLOY OVERALL
Nominal Distance From Bore Center to Keyway Bottom0.855 INCHES BOTH ENDS IN
Teeth Quantity36
Keyway Nominal Width0.313 INCHES BOTH ENDS IN
Face Nominal Width0.750 INCHES IN
Material Document and ClassificationMIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter6.0000 INCHES NOMINAL IN
Hub Style DesignatorPLAIN FIRST END
Nominal Outside Diameter6.332 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-103-3326501-4675792 ITEM 34 INTERCHANGEABLE
Band,valve
Naval Ship Systems Command
4820-01-137-4631501-4675792 ITEM 8 INTERCHANGEABLE
Stop Plate,valve
Naval Ship Systems Command
4820-01-137-4632501-4675792 ITEM 16 INTERCHANGEABLE
Support,valve
Naval Ship Systems Command
4820-01-137-5926501-4675792 ITEM 23 INTERCHANGEABLE
Rack Support,valve
Naval Ship Systems Command
3040-01-154-81134675792-0012 INTERCHANGEABLE
Connecting Link,rigid
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-154-8125501-4675792 ITEM 1 INTERCHANGEABLE
Stem,fluid Valve
Naval Ship Systems Command
4820-01-154-812687643-9804 ITEM 2 INTERCHANGEABLE
Stem,fluid Valve
Electric Boat Corporation Div General Dynamics Electric Boat
3020-01-154-975187643-9804 ITEM 14 INTERCHANGEABLE
Lock Plate,gear
Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-173-4600501-4675792 ITEM 17 INTERCHANGEABLE
Cover,access
Naval Ship Systems Command
4820-01-175-7727501-4675792 ITEM 15 INTERCHANGEABLE
Stop,valve
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
87643-9804 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
501-4675792 ITEM 6 Naval Ship Systems Command (USA)
501-4675792 Naval Ship Systems Command (USA)
4675792-0006 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4820-01-103-3326INTERCHANGEABLE
BAND,VALVE
501-4675792 ITEM 34
4820-01-137-4631INTERCHANGEABLE
STOP PLATE,VALVE
501-4675792 ITEM 8
4820-01-137-4632INTERCHANGEABLE
SUPPORT,VALVE
501-4675792 ITEM 16
4820-01-137-5926INTERCHANGEABLE
RACK SUPPORT,VALVE
501-4675792 ITEM 23
3040-01-154-8113INTERCHANGEABLE
CONNECTING LINK,RIGID
4675792-0012
4820-01-154-8125INTERCHANGEABLE
STEM,FLUID VALVE
501-4675792 ITEM 1
4820-01-154-8126INTERCHANGEABLE
STEM,FLUID VALVE
87643-9804 ITEM 2
3020-01-154-9751INTERCHANGEABLE
LOCK PLATE,GEAR
87643-9804 ITEM 14
5340-01-173-4600INTERCHANGEABLE
COVER,ACCESS
501-4675792 ITEM 17
4820-01-175-7727INTERCHANGEABLE
STOP,VALVE
501-4675792 ITEM 15
4820-01-191-6572INTERCHANGEABLE
RACK,VALVE
501-4675792 ITEM 5
3020-01-192-4639INTERCHANGEABLE
GEAR,SPUR
501-4675792 ITEM 7

Frequently Asked Questions

What is NSN 3020-01-191-6675?

NSN 3020-01-191-6675 is a Gear,spur, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-191-6675?

NSN 3020-01-191-6675 has 4 cross-referenced part numbers: 87643-9804 (Electric Boat Corporation Div General Dynamics Electric Boat), 501-4675792 ITEM 6 (Naval Ship Systems Command), 501-4675792 (Naval Ship Systems Command), 4675792-0006 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 3020-01-191-6675?

There are 12 known substitutes for 3020-01-191-6675: 4820-01-103-3326, 4820-01-137-4631, 4820-01-137-4632 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4675792-0006?

Key specifications for 4675792-0006: Style Designator: PROTRUDING HUB; Body Style: PLAIN, SOLID; Hub Nominal Diameter: 2.500 INCHES FIRST END IN; Nominal Distance Between Body Face and Protruding Hub End: 0.660 INCHES FIRST END IN. 16 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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