PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3010AGear,spur

Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. · NSN 3020-00-273-4229 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-273-4229 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-273-4229. Primary manufacturer part number: A3010A.
Features
  • Gear,spur — FSC 3020
  • Hub Style Designator: PLAIN FIRST END
  • Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
  • Spline Quantity: 6 BOTH ENDS
  • Teeth Quantity: 23
  • Pitch Diameter: 3.8330 INCHES NOMINAL IN
  • Hub Nominal Diameter: 2.500 INCHES FIRST END IN
  • Tooth Form: STANDARD
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 8620h Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-273-4229, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-273-4229
Primary Part NumberA3010A
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
StatusCANCELLED
Hub Style DesignatorPLAIN FIRST END
Hardness Rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
Spline Quantity6 BOTH ENDS
Teeth Quantity23
Pitch Diameter3.8330 INCHES NOMINAL IN
Hub Nominal Diameter2.500 INCHES FIRST END IN
Tooth FormSTANDARD
MaterialSTEEL COMP 8620H OVERALL
Face Nominal Width1.250 INCHES IN
Pressure Angle20.0000 DEGREES
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 8620H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Bore Nominal Diameter2.500 INCHES BOTH ENDS IN
Nominal Outside Diameter4.162 INCHES IN
Style DesignatorPROTRUDING HUB
Nominal Distance Between Body Face and Protruding Hub End0.375 INCHES FIRST END IN
Body StyleWEBBED, SOLID
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5962-00-256-0343P64-005700-006 INTERCHANGEABLE
Microcircuit,digital
Pultz John M Co Inc
Cross-Reference Index
Part NumberManufacturer
A3010A White Farm Equipment Co Sub of Tic Investment Corp South Bend Div
A3010A PRIMARY Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
471938 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
A3010A White Farm Equipment Co Sub of Tic Investment Corp
Related Parts
5962-00-256-0343INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
P64-005700-006

Frequently Asked Questions

What is NSN 3020-00-273-4229?

NSN 3020-00-273-4229 is a Gear,spur, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-273-4229?

NSN 3020-00-273-4229 has 4 cross-referenced part numbers: A3010A (White Farm Equipment Co Sub of Tic Investment Corp South Bend Div), A3010A (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 471938 (Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co), A3010A (White Farm Equipment Co Sub of Tic Investment Corp).

What NSN replaces 3020-00-273-4229?

There is 1 known substitute for 3020-00-273-4229: 5962-00-256-0343. Verify interchangeability with system specifications before substitution.

What are the specifications of A3010A?

Key specifications for A3010A: Hub Style Designator: PLAIN FIRST END; Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL; Spline Quantity: 6 BOTH ENDS; Teeth Quantity: 23. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-273-4229 still in active supply?

NSN 3020-00-273-4229 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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