PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

753012Gear,spur

Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division · NSN 3020-00-220-2490 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-220-2490 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-220-2490. Primary manufacturer part number: 753012.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 2.6562 INCHES NOMINAL IN
  • Bore Nominal Diameter: 0.241 INCHES BOTH ENDS IN
  • Hub Nominal Diameter: 0.750 INCHES FIRST END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.115 INCHES FIRST END IN
  • Face Nominal Width: 0.187 INCHES IN
  • Nominal Outside Diameter: 2.687 INCHES IN
  • Style Designator: PROTRUDING HUB
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 3020-00-220-2490, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-220-2490
Primary Part Number753012
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division
StatusACTIVE
Pitch Diameter2.6562 INCHES NOMINAL IN
Bore Nominal Diameter0.241 INCHES BOTH ENDS IN
Hub Nominal Diameter0.750 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.115 INCHES FIRST END IN
Face Nominal Width0.187 INCHES IN
Nominal Outside Diameter2.687 INCHES IN
Style DesignatorPROTRUDING HUB
Body StylePLAIN, SOLID
MaterialSTEEL CORROSION RESISTING OVERALL
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Hub Style DesignatorPLAIN FIRST END
Bore StylePLAIN BOTH ENDS
Teeth Quantity170
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2840-00-947-7115753012 INTERCHANGEABLE
Blade,compressor,aircraft Gas Tu
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5915-01-361-7694A3060816-012 INTERCHANGEABLE
Filter,band Pass
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
753012 Northrop Grumman Systems Corporation (USA)
753012 PRIMARY Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA)
753012 Bachan Aerospace Corp (USA)
Related Parts
2840-00-947-7115INTERCHANGEABLE
BLADE,COMPRESSOR,AIRCRAFT GAS TU
753012
5915-01-361-7694INTERCHANGEABLE
FILTER,BAND PASS
A3060816-012

Frequently Asked Questions

What is NSN 3020-00-220-2490?

NSN 3020-00-220-2490 is a Gear,spur, manufactured by Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-220-2490?

NSN 3020-00-220-2490 has 3 cross-referenced part numbers: 753012 (Northrop Grumman Systems Corporation), 753012 (Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division), 753012 (Bachan Aerospace Corp).

What NSN replaces 3020-00-220-2490?

There are 2 known substitutes for 3020-00-220-2490: 2840-00-947-7115, 5915-01-361-7694. Verify interchangeability with system specifications before substitution.

What are the specifications of 753012?

Key specifications for 753012: Pitch Diameter: 2.6562 INCHES NOMINAL IN; Bore Nominal Diameter: 0.241 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.750 INCHES FIRST END IN; Nominal Distance Between Body Face and Protruding Hub End: 0.115 INCHES FIRST END IN. 14 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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