890819

View detailed technical data, stock status, and sourcing information for: 890819
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-245-7474

Item Name Code

05466

Assigment Date

01/01/1963 (63 years ago)

mounting hole attachment method, plain both ends bore style, 20 teeth quantity, plain, solid body style, 0.6250 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: 0.6250 inches nominal
Teeth Quantity: 20
Bore Style: plain both ends
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 Nominal Thread Size: 0.138 inches transversely through hub, first end
Mounting Hole Type And Quantity: 1 plain and 1 threaded transversely through hub, first end
Nominal Outside Diameter: 0.687 inches
Nominal Overall Length: 0.438 inches
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Nominal Distance Between Body Face And Protruding Hub End: 0.250 inches first end
Face Nominal Width: 0.188 inches
Bore Nominal Diameter: 0.251 inches both ends
Hub Style Designator: plain first end
Hub Nominal Diameter: 0.500 inches first end
Mounting Hole Nominal Diameter: 0.059 inches transversely through hub, first end
Material: steel corrosion resisting overall
Surface Treatment: passivate 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
890819	Spur Gear

FAQs

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

What is the FSCG of the NSN 3020-00-245-7474?

The FSCG of the NSN 3020-00-245-7474 is 3020

Does the NSN 3020-00-245-7474 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-245-7474 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3020-00-245-7474 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-245-7474 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 3020-00-245-7474 was assigned to the Federal Catalog?

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