PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

154-23Gear,spur

Southern Gear & Machine Inc · NSN 3020-00-733-5853 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-733-5853 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-733-5853. Primary manufacturer part number: 154-23.
Features
  • Gear,spur — FSC 3020
  • Face Nominal Width: 0.125 INCHES IN
  • Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11
  • Style Designator: PROTRUDING HUB
  • Hub Style Designator: PINNED FIRST END
  • Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
  • Tooth Form: STANDARD
  • Material: STEEL CORROSION RESISTING OVERALL
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 3020-00-733-5853, 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 16 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
NSN3020-00-733-5853
Primary Part Number154-23
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSouthern Gear & Machine Inc
StatusACTIVE
Face Nominal Width0.125 INCHES IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Style DesignatorPROTRUDING HUB
Hub Style DesignatorPINNED FIRST END
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Tooth FormSTANDARD
MaterialSTEEL CORROSION RESISTING OVERALL
Hub Nominal Diameter0.406 INCHES FIRST END IN
Pitch Diameter0.4791 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Surface TreatmentPASSIVATE OVERALL
Teeth Quantity23
Nominal Outside Diameter0.521 INCHES IN
Pressure Angle20.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3030-00-208-749515430 SET 2 INTERCHANGEABLE
Belts,v,matched Set
Contitech Usa, Inc Dba Veyance Technologies
3455-00-228-5228 INTERCHANGEABLE
Cutter,milling,end
5136-00-604-641315423 INTERCHANGEABLE
Die Head,hand
Curtis-Toledo, Inc.
5330-01-074-3866 INTERCHANGEABLE
Gasket
5307-01-117-400915423 INTERCHANGEABLE
Stud
K-B Axle Co Inc
4820-01-124-617115-423 INTERCHANGEABLE
Disk,valve
Rix Industries
5315-01-201-458415423 INTERCHANGEABLE
Pin,grooved,headless
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
9905-01-216-178015423 INTERCHANGEABLE
Plate,instruction
Grimes Aerospace Company
5330-01-540-738215-423 INTERCHANGEABLE
Gasket
Textron Aviation Inc
2090-01-571-2253 INTERCHANGEABLE
Ro Chair Back
Cross-Reference Index
Part NumberManufacturer
154-23 PRIMARY Southern Gear & Machine Inc (USA)
Related Parts
3030-00-208-7495INTERCHANGEABLE
BELTS,V,MATCHED SET
15430 SET 2
3455-00-228-5228INTERCHANGEABLE
CUTTER,MILLING,END
5136-00-604-6413INTERCHANGEABLE
DIE HEAD,HAND
15423
5330-01-074-3866INTERCHANGEABLE
GASKET
5307-01-117-4009INTERCHANGEABLE
STUD
15423
4820-01-124-6171INTERCHANGEABLE
DISK,VALVE
15-423
5315-01-201-4584INTERCHANGEABLE
PIN,GROOVED,HEADLESS
15423
9905-01-216-1780INTERCHANGEABLE
PLATE,INSTRUCTION
15423
5330-01-540-7382INTERCHANGEABLE
GASKET
15-423
2090-01-571-2253INTERCHANGEABLE
RO CHAIR BACK

Frequently Asked Questions

What is NSN 3020-00-733-5853?

NSN 3020-00-733-5853 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-733-5853?

NSN 3020-00-733-5853 has 1 cross-referenced part number: 154-23 (Southern Gear & Machine Inc).

What NSN replaces 3020-00-733-5853?

There are 10 known substitutes for 3020-00-733-5853: 3030-00-208-7495, 3455-00-228-5228, 5136-00-604-6413 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 154-23?

Key specifications for 154-23: Face Nominal Width: 0.125 INCHES IN; Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11; Style Designator: PROTRUDING HUB; Hub Style Designator: PINNED FIRST END. 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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