10066517

View detailed technical data, stock status, and sourcing information for: 10066517
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-859-2554

Item Name Code

26668

Assigment Date

01/01/1962 (64 years ago)

4.0000 inches nominal pitch diameter, 2 plain transversely through hub, first end mounting hole type and quantity, mounting hole attachment method, 192 teeth quantity, plain both ends bore style

Product Characteristics

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

Attachment Method: mounting hole
Pitch Diameter: 4.0000 inches nominal
Teeth Quantity: 192
Bore Style: plain both ends
Mounting Hole Type And Quantity: 2 plain transversely through hub, first end
Nominal Outside Diameter: 4.042 inches
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Nominal Distance Between Body Face And Protruding Hub End: 0.072 inches second end
Nominal Distance Between Body Face And Protruding Hub End: 0.125 inches first end
Face Nominal Width: 0.183 inches
Bore Nominal Diameter: 0.218 inches both ends
Hub Style Designator: plain both ends
Hub Nominal Diameter: 0.609 inches second end
Hub Nominal Diameter: 0.875 inches first end
Mounting Hole Nominal Diameter: 0.110 inches transversely through hub, first end
Material: aluminum alloy 2024 first gear
Material: aluminum alloy 2024 second gear
Material: steel comp 303s hub
Material: steel spring
Material Document And Classification: mil-s-7720 mil spec single material response hub
Material Document And Classification: qq-a-250/4,t3 fed spec single material response first gear
Material Document And Classification: qq-a-250/4,t3 fed spec single material response second gear
Surface Treatment: anodize first gear
Surface Treatment: anodize second gear
Surface Treatment: passivate hub
Surface Treatment Document And Classification: mil-a-8625,type 1 mil spec single treatment response first gear
Surface Treatment Document And Classification: mil-a-8625,type 1 mil spec single treatment response second gear
Style Designator: protruding hubs

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
10066517	Spur Antibacklash Gear

FAQs

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

What is the FSCG of the NSN 3020-00-859-2554?

The FSCG of the NSN 3020-00-859-2554 is 3020

Does the NSN 3020-00-859-2554 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-859-2554 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 3020-00-859-2554 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-00-859-2554 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 3020-00-859-2554 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962