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- NSN 3020-00-391-4050
3020-00-391-4050
Description: Helical Gear
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MIL-S-890 Helical Gear
Spec. Type | Spec. | Color | Gloss | Size |
---|---|---|---|---|
Material document and classification | MIL-S-890 |
Array Properties
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NSN:Array
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Description:Helical Gear
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Shelf Life:N/A
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DEMIL:NO
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UOM:1 EA
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Body Style:Webbed, with lightening holes
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Pitch Diameter:10.8000 inches
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Teeth Quantity:54
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Bore Style:Plain both ends
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Hardness Rating:10.0 rockwell c and 16.0 rockwell c
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Outside Diameter:11.084 inches
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Teeth Type:Single helix
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Tooth Form:Stub
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Tooth Direction:Left
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Pressure Angle:20.0000 degrees
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Helix Angle:27.3217 degrees
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Distance Between Body Face And Protruding Hub End:0.938 inches both ends
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Face Width:1.500 inches
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Bore Diameter:2.0000 inches both ends
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Hub Style Designator:Plain both ends
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Hub Diameter:2.997 inches second end
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Special Features:2 counterweights, oil plug, 2 rivets, 2 counterweight holes 5/8 in. Diameter located 3 in. Below center of bore and 2 in. To left and right of lower vertical center line, figure 6 stamped on side of gear face on center line of tooth space 36 degrees 11 min cw from lower vertical center line, figure 5 stamped on side of gear face on center line of tooth space 73 degrees 20 min cw from figure 6, figure 7 stamped on side of gear face on center line of tooth space 86 degrees 40 min cw from figure 5, 30.189 in. Diameter oil holes, 1 located on hub end 1-15/64 in. Below center of bore on lower vertical center line and drilled 2-13/16 in. Deep, 2 located on side of hub 11/16 in. From each hub end and drilled at a 6 degrees angle to meet oil hole drilled from hub
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Material:Steel
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Material Specification:Mil-s-890, class b military specification single material response
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Style Designator:Protruding hubs