PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

154-75Gear,spur

Southern Gear & Machine Inc · NSN 3020-00-828-4505 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-828-4505 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-828-4505. Primary manufacturer part number: 154-75.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 75
  • Body Style: PLAIN, SOLID
  • Style Designator: PROTRUDING HUB
  • Hub Style Designator: PLAIN FIRST END
  • Hub Nominal Diameter: 0.500 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
  • Nominal Outside Diameter: 1.604 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-828-4505, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Southern Gear & Machine Inc. Government technical data includes 21 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-828-4505
Primary Part Number154-75
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSouthern Gear & Machine Inc
StatusCANCELLED
Teeth Quantity75
Body StylePLAIN, SOLID
Style DesignatorPROTRUDING HUB
Hub Style DesignatorPLAIN FIRST END
Hub Nominal Diameter0.500 INCHES FIRST END IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Outside Diameter1.604 INCHES IN
Nominal Overall Length0.375 INCHES IN
MaterialALUMINUM ALLOY OVERALL
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Bore StylePLAIN BOTH ENDS
Pitch Diameter1.5625 INCHES NOMINAL IN
Surface TreatmentANODIZE OVERALL
Face Nominal Width0.125 INCHES IN
Pressure Angle20.0000 DEGREES
Mounting Hole Thread Quantity Per Inch32 TRANSVERSELY THROUGH HUB FIRST END
Tooth FormSTANDARD
Mounting Hole Nominal Thread Size0.138 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Mounting Hole Type and Quantity1 THREADED TRANSVERSELY THROUGH HUB FIRST END
Attachment MethodMOUNTING HOLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5315-00-286-4907B2189 INTERCHANGEABLE
Pin,shoulder,headless
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5950-00-391-0801 INTERCHANGEABLE
Coil,radio Frequency
5307-00-894-2855 INTERCHANGEABLE
Stud,plain
5935-00-901-5680TRU-4918 INTERCHANGEABLE
Connector,plug,electrical
Winchester Interconnect Rf Corporation
1040-00-938-374753A68B180 INTERCHANGEABLE
Line Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3030-01-124-275515470 INTERCHANGEABLE
Belts,v,matched Set
Carlisle Power Transmission Products Inc
3030-01-269-040315481 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5340-01-507-2449 INTERCHANGEABLE
Cap,protective,dust and Moisture
6515-01-537-904415475 INTERCHANGEABLE
Triac Kit,replacement
Air Techniques Inc Jelrus Group
Cross-Reference Index
Part NumberManufacturer
154-75 PRIMARY Southern Gear & Machine Inc (USA)
Related Parts
5315-00-286-4907INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
B2189
5950-00-391-0801INTERCHANGEABLE
COIL,RADIO FREQUENCY
5307-00-894-2855INTERCHANGEABLE
STUD,PLAIN
5935-00-901-5680INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
TRU-4918
1040-00-938-3747INTERCHANGEABLE
LINE ASSY
53A68B180
3030-01-124-2755INTERCHANGEABLE
BELTS,V,MATCHED SET
15470
3030-01-269-0403INTERCHANGEABLE
BELT,V
15481
5340-01-507-2449INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
6515-01-537-9044INTERCHANGEABLE
TRIAC KIT,REPLACEMENT
15475

Frequently Asked Questions

What is NSN 3020-00-828-4505?

NSN 3020-00-828-4505 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-828-4505?

NSN 3020-00-828-4505 has 1 cross-referenced part number: 154-75 (Southern Gear & Machine Inc).

What NSN replaces 3020-00-828-4505?

There are 9 known substitutes for 3020-00-828-4505: 5315-00-286-4907, 5950-00-391-0801, 5307-00-894-2855 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 154-75?

Key specifications for 154-75: Teeth Quantity: 75; Body Style: PLAIN, SOLID; Style Designator: PROTRUDING HUB; Hub Style Designator: PLAIN FIRST END. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-828-4505 still in active supply?

NSN 3020-00-828-4505 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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