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- NSN 3020-00-391-0922
3020-00-391-0922
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, offset, solid
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Attachment Method:Mounting hole
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Pitch Diameter:8.6250 inches
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Teeth Quantity:69
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Bore Style:Plain both ends
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Mounting Hole Thread Series Designator:Unf axially through hub, first end
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Mounting Hole Thready Qty Per Inch (tpi):24 axially through hub, first end
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Hardness Rating:10.0 rockwell c and 13.0 rockwell c
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Mounting Hole Thread Size:0.375 inches axially through hub, first end
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Mounting Hole Type And Quantity:4 plain axially through hub, first end and 4 threaded axially through hub, first end
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Outside Diameter:8.874 inches
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Nominallength:1.438 inches
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Teeth Type:Single helix
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Tooth Form:Standard
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Tooth Direction:Left
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Pressure Angle:14.5000 degrees
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Helix Angle:25.8167 degrees
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Distance Between Body Face And Protruding Hub End:0.187 inches first end
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Body Recess Depth:1.000 inches second end
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Face Width:1.250 inches
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Bore Diameter:4.3750 inches both ends
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Counterbore Depth:0.187 inches first end
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Counterbore Diameter:6.251 inches first end
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Hub Style Designator:Plain first end
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Hub Diameter:6.750 inches first end
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Mounting Hole Diameter:0.500 inches axially through hub, first end
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Bolt Hole Circle Diameter:5.250 inches axially through hub, first end
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Special Features:Figure o stamped on side of gear face on center line of tooth space on upper vertical center line
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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 hub, recessed body