1283987

View detailed technical data, stock status, and sourcing information for: 1283987
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-540-7598

Item Name Code

05466

Assigment Date

01/01/1963 (63 years ago)

unc transversely through hub, first end mounting hole thread series designator, 84 teeth quantity, plain, solid body style, mounting hole attachment method, 3.5000 inches nominal pitch diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: plain, solid
Attachment Method: mounting hole
Pitch Diameter: 3.5000 inches nominal
Teeth Quantity: 84
Mounting Hole Thread Series Designator: unc transversely through hub, first end
Mounting Hole Thread Quantity Per Inch: 32 transversely through hub, first end
Mounting Hole Type And Quantity: 1 threaded transversely through hub, first end
Nominal Overall Length: 0.562 inches
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Face Nominal Width: 0.187 inches
Bore Nominal Diameter: 0.313 inches both ends
Hub Nominal Diameter: 0.625 inches first end
Precision Classification: quality number 5 or quality number 6
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-225/6,t4 fed spec single material response overall
Surface Treatment: chromate overall
Surface Treatment Document And Classification: mil-c-5541 mil spec single treatment response overall
Style Designator: protruding hub

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1283987	Spur Gear

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3020-00-540-7598?

The FSCG of the NSN 3020-00-540-7598 is 3020

Does the NSN 3020-00-540-7598 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-540-7598 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3020-00-540-7598 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-00-540-7598 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 3020-00-540-7598 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963