PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-0783Gear,spur

Alliant Defense Electronics Systems Inc Dba Lundy Technical Center · NSN 3020-00-948-1021 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-948-1021 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-948-1021. Primary manufacturer part number: 11-0783.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 52
  • Mounting Hole Nominal Diameter: 0.062 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
  • Pitch Diameter: 1.0830 INCHES NOMINAL IN
  • Body Style: PLAIN, SOLID
  • Bore Style: PLAIN BOTH ENDS
  • Nominal Distance Between Body Face and Protruding Hub End: 0.130 INCHES FIRST END IN
  • Attachment Method: MOUNTING HOLE
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 3020-00-948-1021, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Alliant Defense Electronics Systems Inc Dba Lundy Technical Center. Government technical data includes 20 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-948-1021
Primary Part Number11-0783
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAlliant Defense Electronics Systems Inc Dba Lundy Technical Center
StatusACTIVE
Teeth Quantity52
Mounting Hole Nominal Diameter0.062 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Pitch Diameter1.0830 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.130 INCHES FIRST END IN
Attachment MethodMOUNTING HOLE
Surface TreatmentANODIZE OVERALL
Pressure Angle20.0000 DEGREES
Hub Nominal Diameter0.380 INCHES FIRST END IN
Tooth FormSTANDARD
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Overall Length0.190 INCHES IN
Hub Style DesignatorPLAIN FIRST END
Nominal Outside Diameter1.122 INCHES IN
MaterialALUMINUM ALLOY 2024 OVERALL
Face Nominal Width0.060 INCHES IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Mounting Hole Type and Quantity2 PLAIN TRANSVERSELY THROUGH HUB FIRST END
Style DesignatorPROTRUDING HUB
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5910-00-578-1325331-000-U2M0-470K INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Tusonix, Llc
6110-00-792-550216BF25AF4 INTERCHANGEABLE
Starter,motor
Siemens Energy and Automation Inc Siemens Furnas Controls Div
5340-01-603-482011078-3 INTERCHANGEABLE
Strap,retaining
Butler Parachute Systems, Inc
Cross-Reference Index
Part NumberManufacturer
11-0783 Alliant Defense Electronics Systems Inc Dba Lundy Technical Center (USA)
Related Parts
5910-00-578-1325INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
331-000-U2M0-470K
6110-00-792-5502INTERCHANGEABLE
STARTER,MOTOR
16BF25AF4
5340-01-603-4820INTERCHANGEABLE
STRAP,RETAINING
11078-3

Frequently Asked Questions

What is NSN 3020-00-948-1021?

NSN 3020-00-948-1021 is a Gear,spur, manufactured by Alliant Defense Electronics Systems Inc Dba Lundy Technical Center, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-948-1021?

NSN 3020-00-948-1021 has 1 cross-referenced part number: 11-0783 (Alliant Defense Electronics Systems Inc Dba Lundy Technical Center).

What NSN replaces 3020-00-948-1021?

There are 3 known substitutes for 3020-00-948-1021: 5910-00-578-1325, 6110-00-792-5502, 5340-01-603-4820. Verify interchangeability with system specifications before substitution.

What are the specifications of 11-0783?

Key specifications for 11-0783: Teeth Quantity: 52; Mounting Hole Nominal Diameter: 0.062 INCHES TRANSVERSELY THROUGH HUB FIRST END IN; Pitch Diameter: 1.0830 INCHES NOMINAL IN; Body Style: PLAIN, SOLID. 20 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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