8892720

View detailed technical data, stock status, and sourcing information for: 8892720
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-776-7640

Item Name Code

05465

Assigment Date

01/01/1962 (64 years ago)

A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes. It may be solid or cut through to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also ring,piston and ring,wiper.

mounting hole attachment method, 70 teeth quantity, 11.6667 inches nominal pitch diameter, 85.0 rockwell superficial 15-n nominal overall hardness rating, plain, solid body style

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: 11.6667 inches nominal
Teeth Quantity: 70
Hardness Rating: 85.0 rockwell superficial 15-n nominal overall
Nominal Outside Diameter: 14.0620 inches
Nominal Overall Length: 1.531 inches
Teeth Type: spur
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Body Recess Nominal Depth: 0.250 inches first end
Face Nominal Width: 1.281 inches
Counterbore Nominal Depth: 0.250 inches first end
Counterbore Nominal Diameter: 12.251 inches first end
Mounting Hole Nominal Diameter: 0.406 inches axially through body, first end
Bolt Hole Circle Nominal Diameter: 13.125 inches axially through body, first end
Material: steel comp 4140 overall
Material Document And Classification: 66 fed std single material response and aisi/sae 4140 assn std single material response overall
Style Designator: recessed ring

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
3020007767640	Internal Gear
7767640	Internal Gear
8892720	Internal Gear

FAQs

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

What is the FSCG of the NSN 3020-00-776-7640?

The FSCG of the NSN 3020-00-776-7640 is 3020

Does the NSN 3020-00-776-7640 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-776-7640 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 3020-00-776-7640 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-776-7640 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 3020-00-776-7640 was assigned to the Federal Catalog?

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