PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P23A-126Gear,spur

Designatronics Incorporated Div Sterling Instruments Div · NSN 3020-00-071-3708 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-071-3708 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-071-3708. Primary manufacturer part number: P23A-126.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 1.7500 INCHES NOMINAL IN
  • Pressure Angle: 20.0000 DEGREES
  • First Step Nominal Diameter: 0.312 INCHES FIRST END IN
  • End Nominal Diameter: 0.250 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Style Designator: PROTRUDING HUB
  • End Nominal Length: 0.250 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-071-3708, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-071-3708
Primary Part NumberP23A-126
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusACTIVE
Pitch Diameter1.7500 INCHES NOMINAL IN
Pressure Angle20.0000 DEGREES
First Step Nominal Diameter0.312 INCHES FIRST END IN
End Nominal Diameter0.250 INCHES FIRST END IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Style DesignatorPROTRUDING HUB
End Nominal Length0.250 INCHES FIRST END IN
First Step Nominal Length0.031 INCHES FIRST END IN
Material Document and ClassificationQQ-A-225/6B T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.281 INCHES FIRST END IN
Surface Treatment Document and ClassificationMIL-A-8625 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Precision ClassificationQUALITY NUMBER 10
Nominal Outside Diameter1.7778 INCHES IN
Surface TreatmentANODIZE OVERALL
Body StylePLAIN, SOLID
Face Nominal Width0.125 INCHES IN
Teeth Quantity126
Hub Style Designator1 STEP FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-071-37042245830PC1 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-071-37052245830PC2 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-071-37062245830PC3 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-071-37072245830PC5 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
P23A-126 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
LBA-G2-126 PRIMARY Nordex, Incorporated Dba Nordex Inc (USA)
GC23-126 PRIMARY Secs Inc (USA)
2245830 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
H6-126 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
LBA-G2-126 Nordex Inc (USA)
2245830PC6 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
C72A14-126 W. M. Berg, Inc. (USA)
Related Parts
3020-00-071-3704INTERCHANGEABLE
GEAR,SPUR
2245830PC1
3020-00-071-3705INTERCHANGEABLE
GEAR,SPUR
2245830PC2
3020-00-071-3706INTERCHANGEABLE
GEAR,SPUR
2245830PC3
3020-00-071-3707INTERCHANGEABLE
GEAR,SPUR
2245830PC5

Frequently Asked Questions

What is NSN 3020-00-071-3708?

NSN 3020-00-071-3708 is a Gear,spur, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-071-3708?

NSN 3020-00-071-3708 has 8 cross-referenced part numbers: P23A-126 (Designatronics Incorporated Div Sterling Instruments Div), LBA-G2-126 (Nordex, Incorporated Dba Nordex Inc), GC23-126 (Secs Inc), 2245830 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), H6-126 (Roller Bearing Co of America, Inc Div Pic Design) and 3 more.

What NSN replaces 3020-00-071-3708?

There are 4 known substitutes for 3020-00-071-3708: 3020-00-071-3704, 3020-00-071-3705, 3020-00-071-3706 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P23A-126?

Key specifications for P23A-126: Pitch Diameter: 1.7500 INCHES NOMINAL IN; Pressure Angle: 20.0000 DEGREES; First Step Nominal Diameter: 0.312 INCHES FIRST END IN; End Nominal Diameter: 0.250 INCHES FIRST END IN. 21 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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