BL8907

View detailed technical data, stock status, and sourcing information for: BL8907
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-018-7681

Item Name Code

05466

Assigment Date

03/30/1976 (50 years ago)

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

31 teeth quantity, plain both ends bore style, plain, with lightening holes body style, 4.0675 inches nominal outside diameter, 3.8750 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, with lightening holes
Pitch Diameter: 3.8750 inches nominal
Teeth Quantity: 31
Bore Style: plain both ends
Nominal Outside Diameter: 4.0675 inches
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Face Nominal Width: 0.125 inches
Bore Nominal Diameter: 2.063 inches both ends
Material: steel comp 1045 overall
Material Document And Classification: qq-s-777,type 1045 thru 1095 fed spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response overall
Style Designator: hubless

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
BL8907	Spur Gear

FAQs

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

What is the FSCG of the NSN 3020-01-018-7681?

The FSCG of the NSN 3020-01-018-7681 is 3020

Does the NSN 3020-01-018-7681 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-01-018-7681 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 3020-01-018-7681 contain precious materials?

Precious metal content is unknown

Does NSN 3020-01-018-7681 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 3020-01-018-7681 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Mar 30, 1976