7L8764
View detailed technical data, stock status, and sourcing information for: 7L8764
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An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.
grade b backlash designation, plain, solid body style, 30 teeth quantity, 3.8438 inches nominal pitch diameter, w/ keyway 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.
- Body Style
- plain, solid
- Pitch Diameter
- 3.8438 inches nominal
- Teeth Quantity
- 30
- Bore Style
- w/ keyway both ends
- Backlash Designation
- grade b
- Hardness Rating
- 50.0 rockwell c minimum overall
- Nominal Outside Diameter
- 4.1875 inches
- Teeth Type
- single helix
- Tooth Form
- standard
- Tooth Direction
- right
- Pressure Angle
- 14.5000 degrees
- Helix Angle
- 30.0000 degrees
- Nominal Distance Between Body Face And Protruding Hub End
- 0.375 inches first end
- Nominal Distance Between Body Face And Recessed Hub End
- 0.125 inches second end
- Face Nominal Width
- 1.000 inches
- Bore Nominal Diameter
- 0.625 inches both ends
- Keyway Nominal Width
- 0.125 inches both ends
- Nominal Distance From Bore Center To Keyway Bottom
- 0.719 inches both ends
- Hub Style Designator
- plain both ends
- Hub Nominal Diameter
- 1.813 inches second end
- Precision Classification
- quality number 10 or quality number 11
- Material
- steel overall
- Material Document And Classification
- 66 fed std single material response overall
- Style Designator
- one protruding hub, one recessed 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 |
|---|---|
| 7L8764 | Helical Gear |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3020-01-076-7371?
Does the NSN 3020-01-076-7371 have a Schedule B code assigned?
Does NSN 3020-01-076-7371 require demilitarization?
Does NSN 3020-01-076-7371 contain precious materials?
Does NSN 3020-01-076-7371 contain hazardous materials?
When the NSN 3020-01-076-7371 was assigned to the Federal Catalog?
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