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- NSN 3020-00-391-0923
3020-00-391-0923
Description: Helical Gear
Price Quote
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Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)
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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:W/counterbore counterbore, first end
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Mounting Hole Thread Series Designator:Unf 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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Teeth Type:Single helix
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Tooth Form:Standard
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Tooth Direction:Right
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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:0.188 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:4.375 inches counterbore, first end
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Counterbore Depth:0.188 inches counterbore, first end
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Counterbore Diameter:6.252 inches counterbore, 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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Special Features:Figure o stamped on side of gear face on center line of tooth space on upper vertical ctr 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